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.infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title fn org"><span class="nowrap">2011 SC<sub>191</sub></span></caption><tbody><tr><th colspan="2" class="infobox-header" style="background-color:#FA8072">Discovery</th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/List_of_minor_planet_discoverers" title="List of minor planet discoverers">Discovered by</a></th><td class="infobox-data"><a href="/wiki/Mt._Lemmon_Survey" class="mw-redirect" title="Mt. Lemmon Survey">Mt. Lemmon Survey</a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Discovery date</th><td class="infobox-data">31 October 2011</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FA8072">Designations</th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Minor-planet_designation" title="Minor-planet designation">MPC designation</a></div></th><td class="infobox-data"><span class="nowrap">2011 SC<sub>191</sub></span></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Minor_planet#Populations" title="Minor planet">Minor planet category</a></div></th><td class="infobox-data"><a href="/wiki/Martian_L5_asteroid" class="mw-redirect" title="Martian L5 asteroid">Martian L5</a> <span typeof="mw:File"><a href="/wiki/File:Minor_Planets_-_Martian_L5.svg" class="mw-file-description" title="Martian L5"><img alt="Martian L5" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Minor_Planets_-_Martian_L5.svg/125px-Minor_Planets_-_Martian_L5.svg.png" decoding="async" width="125" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Minor_Planets_-_Martian_L5.svg/188px-Minor_Planets_-_Martian_L5.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Minor_Planets_-_Martian_L5.svg/250px-Minor_Planets_-_Martian_L5.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FA8072"><a href="/wiki/Osculating_orbit" title="Osculating orbit">Orbital characteristics</a><sup id="cite_ref-jpl_1-0" class="reference"><a href="#cite_note-jpl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></th></tr><tr><td colspan="2" class="infobox-full-data"><a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">Epoch</a> 13 January 2016 (<a href="/wiki/Julian_day" title="Julian day">JD</a> 2457400.5)</td></tr><tr><td colspan="2" class="infobox-full-data"><a href="/wiki/Uncertainty_parameter" title="Uncertainty parameter">Uncertainty parameter</a> 0</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Observation_arc" title="Observation arc">Observation arc</a></th><td class="infobox-data">4715 days (12.91 yr)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Perihelion_and_aphelion" class="mw-redirect" title="Perihelion and aphelion">Aphelion</a></th><td class="infobox-data">1.5910690 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> (238.02053 <a href="/wiki/Gigametre" class="mw-redirect" title="Gigametre">Gm</a>)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Perihelion_and_aphelion" class="mw-redirect" title="Perihelion and aphelion">Perihelion</a></th><td class="infobox-data">1.4565161 AU (217.89171 Gm)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Semi-major_and_semi-minor_axes" title="Semi-major and semi-minor axes">Semi-major axis</a></div></th><td class="infobox-data">1.5237925 AU (227.95611 Gm)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Orbital_eccentricity" title="Orbital eccentricity">Eccentricity</a></th><td class="infobox-data">0.0441507</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Orbital_period" title="Orbital period">Orbital period (sidereal)</a></div></th><td class="infobox-data">1.88 <a href="/wiki/Julian_year_(astronomy)" title="Julian year (astronomy)">yr</a> (687.05 <a href="/wiki/Julian_year_(astronomy)" title="Julian year (astronomy)">d</a>)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Mean_anomaly#Mean_anomaly_at_epoch" title="Mean anomaly">Mean anomaly</a></div></th><td class="infobox-data">273.27420<a href="/wiki/Degree_(angle)" title="Degree (angle)">°</a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Mean_motion" title="Mean motion">Mean motion</a></div></th><td class="infobox-data">0° 31<sup>m</sup> 26.331<sup>s</sup> /day</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Orbital_inclination" title="Orbital inclination">Inclination</a></th><td class="infobox-data">18.74554°</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Longitude_of_the_ascending_node" title="Longitude of the ascending node">Longitude of ascending node</a></div></th><td class="infobox-data">5.780691°</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Argument_of_periapsis" title="Argument of periapsis">Argument of perihelion</a></div></th><td class="infobox-data">196.33006°</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Earth <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">MOID</a></th><td class="infobox-data">0.459583 AU (68.7526 Gm)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Jupiter <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">MOID</a></th><td class="infobox-data">3.37018 AU (504.172 Gm)</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FA8072"><span class="anchor" id="Infobox_Physical_characteristics"></span><a href="/wiki/Standard_asteroid_physical_characteristics" title="Standard asteroid physical characteristics">Physical characteristics</a></th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Mean_radius_(astronomy)" title="Mean radius (astronomy)">Dimensions</a></th><td class="infobox-data">600 m</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Geometric_albedo" title="Geometric albedo">Geometric albedo</a></div></th><td class="infobox-data">0.5-0.05 (assumed)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Absolute_magnitude#Solar_System_bodies_(H)" title="Absolute magnitude">Absolute magnitude <i>(H)</i></a></div></th><td class="infobox-data">19.3</td></tr><tr><td colspan="2" class="infobox-below"><style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> </div></td></tr></tbody></table> <p><b><span class="nowrap">2011 SC<sub>191</sub></span></b> is a small <a href="/wiki/Asteroid" title="Asteroid">asteroid</a> and <a href="/wiki/Mars_trojan" title="Mars trojan">Mars trojan</a> orbiting near the <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>5</sub> point</a> of <a href="/wiki/Mars" title="Mars">Mars</a> (60 degrees behind Mars on its orbit).<sup id="cite_ref-dynamics_2-0" class="reference"><a href="#cite_note-dynamics-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-christou_3-0" class="reference"><a href="#cite_note-christou-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Discovery,_orbit_and_physical_properties"><span id="Discovery.2C_orbit_and_physical_properties"></span>Discovery, orbit and physical properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2011_SC191&action=edit&section=1" title="Edit section: Discovery, orbit and physical properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><span class="nowrap">2011 SC<sub>191</sub></span> was first observed on 21 March 2003 by the <a href="/wiki/Near-Earth_Asteroid_Tracking" title="Near-Earth Asteroid Tracking">Near-Earth Asteroid Tracking</a> (NEAT) project at <a href="/wiki/Palomar_Observatory" title="Palomar Observatory">Palomar Observatory</a> using the <a href="/wiki/Samuel_Oschin_telescope" title="Samuel Oschin telescope">Samuel Oschin telescope</a> and given the provisional designation <span class="nowrap">2003 GX<sub>20</sub></span>. The object was subsequently lost and re-discovered on 31 October 2011 by the <a href="/wiki/Mt._Lemmon_Survey" class="mw-redirect" title="Mt. Lemmon Survey">Mt. Lemmon Survey</a>.<sup id="cite_ref-discovery_4-0" class="reference"><a href="#cite_note-discovery-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-mpc_5-0" class="reference"><a href="#cite_note-mpc-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Its orbit is characterized by low eccentricity (0.044), moderate inclination (18.7°) and a semi-major axis of 1.52 AU.<sup id="cite_ref-mpc_5-1" class="reference"><a href="#cite_note-mpc-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Upon discovery, it was classified as <a href="/wiki/Mars_crosser" class="mw-redirect" title="Mars crosser">Mars-crosser</a> by the <a href="/wiki/Minor_Planet_Center" title="Minor Planet Center">Minor Planet Center</a>. Its orbit is well determined as it is currently (March 2013) based on 45 observations with a data-arc span of 3,146 days.<sup id="cite_ref-jpl_1-1" class="reference"><a href="#cite_note-jpl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <span class="nowrap">2011 SC<sub>191</sub></span> has an absolute magnitude of 19.3 which gives a characteristic diameter of 600 m.<sup id="cite_ref-jpl_1-2" class="reference"><a href="#cite_note-jpl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Mars_trojan_and_orbital_evolution">Mars trojan and orbital evolution</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2011_SC191&action=edit&section=2" title="Edit section: Mars trojan and orbital evolution"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Recent calculations indicate that it is a stable <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>5</sub></a> <a href="/wiki/Mars_trojan" title="Mars trojan">Mars trojan</a> with a libration period of 1300 yr and an amplitude of 18°.<sup id="cite_ref-dynamics_2-1" class="reference"><a href="#cite_note-dynamics-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-christou_3-1" class="reference"><a href="#cite_note-christou-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> These values as well as its short-term orbital evolution are similar to those of <a href="/wiki/5261_Eureka" title="5261 Eureka">5261 Eureka</a>. Its eccentricity oscillates mainly due to <a href="/wiki/Secular_resonance" title="Secular resonance">secular resonances</a> with the <a href="/wiki/Earth" title="Earth">Earth</a> and the oscillation in inclination is likely driven by secular resonances with <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a>.<sup id="cite_ref-dynamics_2-2" class="reference"><a href="#cite_note-dynamics-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Origin">Origin</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2011_SC191&action=edit&section=3" title="Edit section: Origin"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Long-term <a href="/wiki/Numerical_integration" title="Numerical integration">numerical integrations</a> show that its orbit is very stable on Gyr time-scales (1 Gyr = 1 billion years). As in the case of Eureka, calculations in both directions of time (4.5 Gyr into the past and 4.5 Gyr into the future) indicate that <span class="nowrap">2011 SC<sub>191</sub></span> may be a primordial object, perhaps a survivor of the planetesimal population that formed in the terrestrial planets region early in the history of the <a href="/wiki/Solar_System" title="Solar System">Solar System</a>.<sup id="cite_ref-dynamics_2-3" class="reference"><a href="#cite_note-dynamics-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2011_SC191&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/5261_Eureka" title="5261 Eureka">5261 Eureka</a> (1990 MB)</li> <li><span class="nowrap"><a href="/wiki/(101429)_1998_VF31" title="(101429) 1998 VF31">(101429) 1998 VF<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">31</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/(121514)_1999_UJ7" title="(121514) 1999 UJ7">(121514) 1999 UJ<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">7</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/(311999)_2007_NS2" title="(311999) 2007 NS2">(311999) 2007 NS<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">2</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/(385250)_2001_DH47" title="(385250) 2001 DH47">(385250) 2001 DH<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">47</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2009_SE" title="2009 SE">2009 SE</a></span></li> <li><span class="nowrap"><a href="/wiki/2011_SL25" title="2011 SL25">2011 SL<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">25</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2011_SP189" title="2011 SP189">2011 SP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">189</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2011_UB256" title="2011 UB256">2011 UB<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">256</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2011_UN63" title="2011 UN63">2011 UN<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">63</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2016_CP31" title="2016 CP31">2016 CP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">31</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2018_EC4" title="2018 EC4">2018 EC<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2018_FC4" title="2018 FC4">2018 FC<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2020_VT1" title="2020 VT1">2020 VT<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2011_SC191&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-jpl-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-jpl_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-jpl_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-jpl_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2011SC191;cad=1">"JPL Small-Body Database Browser: (2011 SC191)"</a>. <a href="/wiki/Jet_Propulsion_Laboratory" title="Jet Propulsion Laboratory">Jet Propulsion Laboratory</a><span class="reference-accessdate">. Retrieved <span class="nowrap">31 March</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=JPL+Small-Body+Database+Browser%3A+%282011+SC191%29&rft.pub=Jet+Propulsion+Laboratory&rft_id=http%3A%2F%2Fssd.jpl.nasa.gov%2Fsbdb.cgi%3Fsstr%3D2011SC191%3Bcad%3D1&rfr_id=info%3Asid%2Fen.wikipedia.org%3A2011+SC191" class="Z3988"></span></span> </li> <li id="cite_note-dynamics-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-dynamics_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-dynamics_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-dynamics_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-dynamics_2-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFde_la_Fuente_Marcosde_la_Fuente_Marcos2013" class="citation journal cs1">de la Fuente Marcos, C.; de la Fuente Marcos, R. 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"Orbital clustering of Martian Trojans: An asteroid family in the inner solar system?". <i>Icarus</i>. <b>224</b> (1): 144–153. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1303.0420">1303.0420</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2013Icar..224..144C">2013Icar..224..144C</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.icarus.2013.02.013">10.1016/j.icarus.2013.02.013</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:119186791">119186791</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Icarus&rft.atitle=Orbital+clustering+of+Martian+Trojans%3A+An+asteroid+family+in+the+inner+solar+system%3F&rft.volume=224&rft.issue=1&rft.pages=144-153&rft.date=2013&rft_id=info%3Aarxiv%2F1303.0420&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A119186791%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1016%2Fj.icarus.2013.02.013&rft_id=info%3Abibcode%2F2013Icar..224..144C&rft.au=Christou%2C+A.+A.&rfr_id=info%3Asid%2Fen.wikipedia.org%3A2011+SC191" class="Z3988"></span></span> </li> <li id="cite_note-discovery-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-discovery_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/mpec/K11/K11T02.html">"MPEC 2011-T02 : 2011 SC191"</a>. Minor Planet Center. 1 October 2011<span class="reference-accessdate">. Retrieved <span class="nowrap">1 January</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=MPEC+2011-T02+%3A+2011+SC191&rft.pub=Minor+Planet+Center&rft.date=2011-10-01&rft_id=http%3A%2F%2Fwww.minorplanetcenter.net%2Fmpec%2FK11%2FK11T02.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A2011+SC191" class="Z3988"></span></span> </li> <li id="cite_note-mpc-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-mpc_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-mpc_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/db_search/show_object?object_id=2011+SC191&commit=Show">MPC data on 2011 SC191</a></span> </li> </ol></div></div> <dl><dt>Further reading</dt></dl> <ul><li><a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2011MPEC....T...02P">2011 SC191</a> Pettarin, E., Vivona, M., McMillan, R. S., Pietschnig, M., Klein, M., Boattini, A., Gibbs, A. R., Ahern, J. D., Beshore, E. C., Garradd, G. J., Grauer, A. D., Hill, R. E., Kowalski, R. A., Larson, S. M., McNaught, R. H., Birtwhistle, P. 2011, <i>Minor Planet Electronic Circular</i>, 2011-T02.</li> <li><a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2013MNRAS.432L..31D">Three new stable L5 Mars Trojans</a> de la Fuente Marcos, C., de la Fuente Marcos, R. 2013, <i>Monthly Notices of the Royal Astronomical Society: Letters</i>, Vol. 432, Issue 1, pp. 31–35.</li> <li><a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2013Icar..224..144C">Orbital clustering of Martian Trojans: An asteroid family in the inner solar system?</a> Christou, A. A. 2013, <i>Icarus</i>, Vol. 224, Issue 1, pp. 144–153.</li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2011_SC191&action=edit&section=6" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/db_search/show_object?object_id=2011+SC191"><span class="nowrap">2011 SC<sub>191</sub></span></a> data at MPC.</li> <li><a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=2011SC191&pc=1.1.0">2011 SC191</a> at <i>AstDyS-2, Asteroids—Dynamic Site</i> <ul><li><a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=2011SC191&pc=1.1.3.0">Ephemeris</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=2011SC191&pc=1.1.4.0">Observation prediction</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=2011SC191&pc=1.1.1">Orbital info</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=2011SC191&pc=1.1.6">Proper elements</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=2011SC191&pc=1.1.7.0">Observational info</a></li></ul></li> <li><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3580928">2011 SC191</a> at the <i><a href="/wiki/JPL_Small-Body_Database" title="JPL Small-Body Database">JPL Small-Body Database</a></i> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4622283#P716" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span><ul class="noprint"><li><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3580928&view=C">Close approach</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3580928&view=D">Discovery</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=3580928">Ephemeris</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3580928&view=V">Orbit viewer</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3580928&view=O">Orbit parameters</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3580928&view=P">Physical parameters</a></li></ul></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol 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<li><a href="/wiki/Climate_of_Mars" title="Climate of Mars">Climate</a></li> <li><a href="/wiki/Martian_dust_devils" title="Martian dust devils">Dust devil tracks</a></li> <li><a href="/wiki/Natural_methane_on_Mars" title="Natural methane on Mars">Methane</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_terrae_on_Mars" title="List of terrae on Mars">Regions</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Arabia_Terra" title="Arabia Terra">Arabia Terra</a></li> <li><a href="/wiki/Cerberus_(Mars)" title="Cerberus (Mars)">Cerberus (Mars)</a></li> <li><a href="/wiki/Cydonia_(Mars)" title="Cydonia (Mars)">Cydonia</a></li> <li><a href="/wiki/Eridania_Lake" title="Eridania Lake">Eridania Lake</a></li> <li><a href="/wiki/Iani_Chaos" title="Iani Chaos">Iani Chaos</a></li> <li><a href="/wiki/Olympia_Undae" title="Olympia Undae">Olympia Undae</a></li> <li><a href="/wiki/Planum_Australe" title="Planum Australe">Planum Australe</a></li> <li><a href="/wiki/Planum_Boreum" title="Planum Boreum">Planum Boreum</a></li> <li><a href="/wiki/List_of_quadrangles_on_Mars" title="List of quadrangles on Mars">Quadrangles</a></li> <li><a href="/wiki/Sinus_Meridiani" title="Sinus Meridiani">Sinus Meridiani</a></li> <li><a href="/wiki/Tempe_Terra" title="Tempe Terra">Tempe Terra</a></li> <li><a href="/wiki/Terra_Cimmeria" title="Terra Cimmeria">Terra Cimmeria</a></li> <li><a href="/wiki/Terra_Sabaea" title="Terra Sabaea">Terra Sabaea</a></li> <li><a href="/wiki/Tharsis" title="Tharsis">Tharsis</a></li> <li><a href="/wiki/List_of_extraterrestrial_dune_fields" title="List of extraterrestrial dune fields">Undae</a></li> <li><a href="/wiki/Mars_Polar_Lander#Landing_zone" title="Mars Polar Lander">Ultimi Scopuli</a></li> <li><a href="/wiki/Vastitas_Borealis" title="Vastitas Borealis">Vastitas Borealis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Common_surface_features_of_Mars" title="Common surface features of Mars">Physical<br />features</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Martian_canals" title="Martian canals">"Canals"</a> (<a href="/wiki/List_of_Martian_canals" title="List of Martian canals">list</a>)</li> <li><a href="/wiki/Chasma#Mars" title="Chasma">Canyons</a></li> <li><a href="/wiki/Crater_chain" title="Crater chain">Catenae</a></li> <li><a href="/wiki/Chaos_terrain" title="Chaos terrain">Chaos terrain</a></li> <li><a href="/wiki/List_of_craters_on_Mars" title="List of craters on Mars">Craters</a></li> <li><a href="/wiki/Fossa_(planetary_nomenclature)" title="Fossa (planetary nomenclature)">Fossae</a></li> <li><a href="/wiki/Gullies_on_Mars" title="Gullies on Mars">Gullies</a></li> <li><a href="/wiki/Mensa_(geology)" title="Mensa (geology)">Mensae</a></li> <li><a href="/wiki/Planetary_nomenclature#Descriptor_terms_(feature_types)" title="Planetary nomenclature">Labyrinthi</a></li> <li><a href="/wiki/List_of_mountains_on_Mars" title="List of mountains on Mars">Mountains</a> <ul><li><a href="/wiki/List_of_mountains_on_Mars_by_height" class="mw-redirect" title="List of mountains on Mars by height">by height</a></li></ul></li> <li><a href="/wiki/List_of_rocks_on_Mars" title="List of rocks on Mars">Observed rocks</a></li> <li><a href="/wiki/Outflow_channels" title="Outflow channels">Outflow channels</a></li> <li><a href="/wiki/List_of_plains_on_Mars" title="List of plains on Mars">Plains</a></li> <li><a href="/wiki/Valley_network_(Mars)" title="Valley network (Mars)">Valley network</a></li> <li><a href="/wiki/Vallis_(planetary_geology)" title="Vallis (planetary geology)">Valleys</a></li> <li><a href="/wiki/Gravity_of_Mars" title="Gravity of Mars">Gravity</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Geology_of_Mars" title="Geology of Mars">Geology</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Brain_terrain" title="Brain terrain">Brain terrain</a></li> <li><a href="/wiki/Carbonates_on_Mars" title="Carbonates on Mars">Carbonates</a></li> <li><a href="/wiki/List_of_areas_of_chaos_terrain_on_Mars" title="List of areas of chaos terrain on Mars">Chaos terrain</a></li> <li><a href="/wiki/Mars_surface_color" title="Mars surface color">Color</a></li> <li><a href="/wiki/Composition_of_Mars" title="Composition of Mars">Composition</a></li> <li><a href="/wiki/Concentric_crater_fill" title="Concentric crater fill">Concentric crater fill</a></li> <li><a href="/wiki/Dark_slope_streak" title="Dark slope streak">Dark slope streak</a></li> <li><a href="/wiki/Martian_dichotomy" title="Martian dichotomy">Dichotomy</a></li> <li><a href="/wiki/Fretted_terrain" title="Fretted terrain">Fretted terrain</a></li> <li><a href="/wiki/Geysers_on_Mars" title="Geysers on Mars">Geysers</a></li> <li><a href="/wiki/Glaciers_on_Mars" title="Glaciers on Mars">Glaciers</a></li> <li><a href="/wiki/Groundwater_on_Mars" title="Groundwater on Mars">Groundwater</a></li> <li><a href="/wiki/Gullies_on_Mars" title="Gullies on Mars">Gullies</a></li> <li><a href="/wiki/Lakes_on_Mars" title="Lakes on Mars">Lakes</a></li> <li><a href="/wiki/Martian_lava_tube" title="Martian lava tube">Lava tubes</a></li> <li><a href="/wiki/Lobate_debris_apron" title="Lobate debris apron">Lobate debris apron</a></li> <li><a href="/wiki/Marsquake" title="Marsquake">Marsquake</a></li> <li><a href="/wiki/Martian_meteorite" title="Martian meteorite">Meteorites</a> <ul><li><a href="/wiki/List_of_Martian_meteorites" title="List of Martian meteorites">on Earth</a></li> <li><a href="/wiki/List_of_rocks_on_Mars" title="List of rocks on Mars">on Mars</a></li></ul></li> <li><a href="/wiki/Mud_cracks_on_Mars" title="Mud cracks on Mars">Mud cracks</a></li> <li><a href="/wiki/North_Polar_Basin_(Mars)" title="North Polar Basin (Mars)">North Polar Basin</a></li> <li><a href="/wiki/Mars_ocean_hypothesis" class="mw-redirect" title="Mars ocean hypothesis">Ocean hypothesis</a></li> <li><a href="/wiki/Ore_resources_on_Mars" title="Ore resources on Mars">Ore resources</a></li> <li><a href="/wiki/Martian_polar_ice_caps" title="Martian polar ice caps">Polar caps</a> <ul><li><a href="/wiki/True_polar_wander_on_Mars" title="True polar wander on Mars">polar wander</a></li></ul></li> <li><a href="/wiki/Seasonal_flows_on_warm_Martian_slopes" title="Seasonal flows on warm Martian slopes">Recurring slope lineae (RSL)</a></li> <li><a href="/wiki/Ring_mold_crater" title="Ring mold crater">Ring mold craters</a></li> <li><a href="/wiki/Rootless_cone" title="Rootless cone">Rootless cones</a></li> <li><a href="/wiki/Seasonal_flows_on_warm_Martian_slopes" title="Seasonal flows on warm Martian slopes">Seasonal flows</a></li> <li><a href="/wiki/Martian_soil" class="mw-redirect" title="Martian soil">Soil</a></li> <li><a href="/wiki/Martian_spherules" title="Martian spherules">Spherules</a></li> <li><a href="/wiki/Martian_surface" title="Martian surface">Surface</a></li> <li><a href="/wiki/Swiss_cheese_features" title="Swiss cheese features">"Swiss cheese" feature</a></li> <li><a href="/wiki/Terrain_softening" title="Terrain softening">Terrain softening</a></li> <li><a href="/wiki/Tharsis#Location_and_Size" title="Tharsis">Tharsis bulge</a></li> <li><a href="/wiki/Volcanism_on_Mars" title="Volcanism on Mars">Volcanism</a></li> <li><a href="/wiki/Water_on_Mars" title="Water on Mars">Water</a></li> <li><a href="/wiki/Yardangs_on_Mars" title="Yardangs on Mars">Yardangs</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Geological_history_of_Mars" title="Geological history of Mars">History</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Amazonian_(Mars)" title="Amazonian (Mars)">Amazonian</a></li> <li><a href="/wiki/Hesperian" title="Hesperian">Hesperian</a></li> <li><a href="/wiki/Noachian" title="Noachian">Noachian</a></li> <li><a href="/wiki/History_of_Mars_observation" title="History of Mars observation">Observation history</a></li> <li><a href="/wiki/Classical_albedo_features_on_Mars" title="Classical albedo features on Mars">Classical albedo features</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Astronomy_on_Mars" title="Astronomy on Mars">Astronomy</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Moons_of_Mars" title="Moons of Mars">Moons</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Phobos_(moon)" title="Phobos (moon)">Phobos</a> <ul><li><a href="/wiki/Stickney_(crater)" title="Stickney (crater)">Stickney crater</a></li> <li><a href="/wiki/Limtoc" title="Limtoc">Limtoc crater</a></li> <li><a href="/wiki/Phobos_monolith" title="Phobos monolith">Monolith</a></li></ul></li> <li><a href="/wiki/Deimos_(moon)" title="Deimos (moon)">Deimos</a> <ul><li><a href="/wiki/Swift_(Deimian_crater)" title="Swift (Deimian crater)">Swift crater</a></li> <li><a href="/wiki/Voltaire_(crater)" title="Voltaire (crater)">Voltaire crater</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Astronomical_transit" title="Astronomical transit">Transits</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Solar_eclipses_on_Mars" title="Solar eclipses on Mars">Solar eclipses on Mars</a></li> <li>Satellite transits <ul><li><a href="/wiki/Transit_of_Phobos_from_Mars" title="Transit of Phobos from Mars">Phobos</a></li> <li><a href="/wiki/Transit_of_Deimos_from_Mars" title="Transit of Deimos from Mars">Deimos</a></li></ul></li> <li>Planetary transits <ul><li><a href="/wiki/Transit_of_Earth_from_Mars" title="Transit of Earth from Mars">Earth</a></li> <li><a href="/wiki/Transit_of_Mercury_from_Mars" title="Transit of Mercury from Mars">Mercury</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Asteroid" title="Asteroid">Asteroids</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Impact_events_on_Mars" title="Impact events on Mars">Impacts</a></li> <li><a href="/wiki/List_of_Mars-crossing_minor_planets" title="List of Mars-crossing minor planets">Mars-crossers</a> <ul><li><span class="nowrap"><a href="/wiki/2007_WD5" title="2007 WD5">2007 WD<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">5</span></span></a></span></li></ul></li> <li><a href="/wiki/Mars_trojan" title="Mars trojan">Trojans</a> <ul><li><a href="/wiki/5261_Eureka" title="5261 Eureka">5261 Eureka</a></li> <li><span class="nowrap"><a href="/wiki/(101429)_1998_VF31" title="(101429) 1998 VF31">1998 VF<sub>31</sub></a></span></li> <li><span class="nowrap"><a href="/wiki/(121514)_1999_UJ7" title="(121514) 1999 UJ7">1999 UJ<sub>7</sub></a></span></li> <li><span class="nowrap"><a href="/wiki/(311999)_2007_NS2" title="(311999) 2007 NS2">2007 NS<sub>2</sub></a></span></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Comets</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/C/2013_A1_(Siding_Spring)" title="C/2013 A1 (Siding Spring)">C/2013 A1 (Siding Spring)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">General</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Orbit_of_Mars" title="Orbit of Mars">Orbit</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Exploration_of_Mars" title="Exploration of Mars">Exploration</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Concepts</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Mars_flyby" title="Mars flyby">Flyby</a></li> <li><a href="/wiki/List_of_Mars_orbiters" title="List of Mars orbiters">Orbiter</a></li> <li><a href="/wiki/Mars_landing" title="Mars landing">Landing</a></li> <li><a href="/wiki/Mars_rover" title="Mars rover">Rover</a></li> <li><a href="/wiki/Mars_sample-return_mission" title="Mars sample-return mission">Sample return</a></li> <li><a href="/wiki/Human_mission_to_Mars" title="Human mission to Mars">Human mission</a></li> <li><a href="/wiki/Mars_to_Stay" title="Mars to Stay">Permanent settlement</a></li> <li><a href="/wiki/Colonization_of_Mars" title="Colonization of Mars">Colonization</a></li> <li><a href="/wiki/Terraforming_of_Mars" title="Terraforming of Mars">Terraforming</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Template:Mars_spacecraft" title="Template:Mars spacecraft">Missions</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_missions_to_Mars" title="List of missions to Mars">List of missions to Mars</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Advocacy</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/The_Mars_Project" title="The Mars Project">The Mars Project</a></i></li> <li><i><a href="/wiki/The_Case_for_Mars" title="The Case for Mars">The Case for Mars</a></i></li> <li><a href="/wiki/Inspiration_Mars_Foundation" title="Inspiration Mars Foundation">Inspiration Mars Foundation</a></li> <li><a href="/wiki/Mars_Institute" title="Mars Institute">Mars Institute</a></li> <li><a href="/wiki/Mars_Society" title="Mars Society">Mars Society</a></li> <li><a href="/wiki/Mars_race" title="Mars race">Mars race</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_artificial_objects_on_Mars" title="List of artificial objects on Mars">Artificial objects on Mars</a> <ul><li><a href="/wiki/List_of_extraterrestrial_memorials#Mars" title="List of extraterrestrial memorials">Memorials on Mars</a></li></ul></li> <li><a href="/wiki/Mars_in_fiction" title="Mars in fiction">Fiction</a> <ul><li><a href="/wiki/List_of_films_set_on_Mars" title="List of films set on Mars">List of films set on Mars</a></li> <li><a href="/wiki/Martian_scientist" title="Martian scientist">Martian scientist</a></li> <li><a href="/wiki/Mars_(mythology)" title="Mars (mythology)">Mythology</a></li></ul></li> <li><a href="/wiki/Flag_of_Mars" title="Flag of Mars">Flag of Mars</a></li> <li><a href="/wiki/Life_on_Mars" title="Life on Mars">Life on Mars</a></li> <li><a href="/wiki/Sub-Earth" title="Sub-Earth">Sub-Earth</a></li> <li><a href="/wiki/Timekeeping_on_Mars" title="Timekeeping on Mars">Timekeeping on Mars</a> <ul><li><a href="/wiki/Mars_sol" title="Mars sol">Sol (day on Mars)</a></li> <li><a href="/wiki/Darian_calendar" title="Darian calendar">Darian calendar</a></li></ul></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li> <span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Mars" title="Category:Mars">Category</a></li> <li> <span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/22px-Solar_system.jpg" decoding="async" width="22" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/34px-Solar_system.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/45px-Solar_system.jpg 2x" data-file-width="4500" data-file-height="5600" /></span></span> </span><a href="/wiki/Portal:Solar_System" title="Portal:Solar System">Solar System portal</a></li></ul> </div></td></tr></tbody></table></div> <style data-mw-deduplicate="TemplateStyles:r1130092004">.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;justify-content:center;align-items:baseline}.mw-parser-output .portal-bar-bordered{padding:0 2em;background-color:#fdfdfd;border:1px solid #a2a9b1;clear:both;margin:1em auto 0}.mw-parser-output .portal-bar-related{font-size:100%;justify-content:flex-start}.mw-parser-output .portal-bar-unbordered{padding:0 1.7em;margin-left:0}.mw-parser-output .portal-bar-header{margin:0 1em 0 0.5em;flex:0 0 auto;min-height:24px}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;flex:0 1 auto;padding:0.15em 0;column-gap:1em;align-items:baseline;margin:0;list-style:none}.mw-parser-output .portal-bar-content-related{margin:0;list-style:none}.mw-parser-output .portal-bar-item{display:inline-block;margin:0.15em 0.2em;min-height:24px;line-height:24px}@media screen and (max-width:768px){.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;flex-flow:column wrap;align-items:baseline}.mw-parser-output .portal-bar-header{text-align:center;flex:0;padding-left:0.5em;margin:0 auto}.mw-parser-output .portal-bar-related{font-size:100%;align-items:flex-start}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;align-items:center;flex:0;column-gap:1em;border-top:1px solid #a2a9b1;margin:0 auto;list-style:none}.mw-parser-output .portal-bar-content-related{border-top:none;margin:0;list-style:none}}.mw-parser-output .navbox+link+.portal-bar,.mw-parser-output .navbox+style+.portal-bar,.mw-parser-output .navbox+link+.portal-bar-bordered,.mw-parser-output .navbox+style+.portal-bar-bordered,.mw-parser-output .sister-bar+link+.portal-bar,.mw-parser-output .sister-bar+style+.portal-bar,.mw-parser-output .portal-bar+.navbox-styles+.navbox,.mw-parser-output .portal-bar+.navbox-styles+.sister-bar{margin-top:-1px}</style><div class="portal-bar noprint metadata noviewer portal-bar-bordered" role="navigation" aria-label="Portals"><span class="portal-bar-header"><a href="/wiki/Wikipedia:Contents/Portals" title="Wikipedia:Contents/Portals">Portal</a>:</span><ul class="portal-bar-content"><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/15px-Solar_system.jpg" decoding="async" width="15" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/23px-Solar_system.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/30px-Solar_system.jpg 2x" data-file-width="4500" data-file-height="5600" /></span></span> </span><a href="/wiki/Portal:Solar_System" title="Portal:Solar System">Solar System</a></li></ul></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" 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minor planets">List</a></li> <li><a href="/wiki/Minor-planet_moon" title="Minor-planet moon">Moon</a></li> <li><a href="/wiki/Meanings_of_minor-planet_names" title="Meanings of minor-planet names">Meanings of names</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Asteroid" title="Asteroid">Asteroid</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Active_asteroid" title="Active asteroid">Active</a></li> <li><a href="/wiki/Aten_asteroid" title="Aten asteroid">Aten asteroid</a></li> <li><a href="/wiki/Asteroid_belt" title="Asteroid belt">Asteroid belt</a></li> <li><a href="/wiki/Asteroid_family" title="Asteroid family">Family</a></li> <li><a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter trojan</a></li> <li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth</a></li> <li><a href="/wiki/Asteroid_spectral_types" title="Asteroid spectral types">Spectral types</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Distant_minor_planet" title="Distant minor planet">Distant minor planet</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li><a href="/wiki/Centaur_(small_Solar_System_body)" title="Centaur (small Solar System body)">Centaur</a></li> <li><a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune trojan</a></li></ul></li> <li><a href="/wiki/Damocloid" title="Damocloid">Damocloid</a></li> <li><a href="/wiki/Trans-Neptunian_object" title="Trans-Neptunian object">Trans-Neptunian object</a> <ul><li><a href="/wiki/Detached_object" title="Detached object">Detached</a></li> <li><a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li> <li><a href="/wiki/Scattered_disc" title="Scattered disc">Scattered disc</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Comet" title="Comet">Comets</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Extinct_comet" title="Extinct comet">Extinct</a></li> <li><a href="/wiki/Great_comet" title="Great comet">Great</a></li> <li><a href="/wiki/List_of_Halley-type_comets" title="List of Halley-type comets">Halley-type</a></li> <li><a href="/wiki/List_of_hyperbolic_comets" title="List of hyperbolic comets">Hyperbolic</a></li> <li><a href="/wiki/List_of_long-period_comets" title="List of long-period comets">Long-period</a></li> <li><a href="/wiki/Lost_comet" title="Lost comet">Lost</a></li> <li><a href="/wiki/List_of_near-parabolic_comets" title="List of near-parabolic comets">Near-parabolic</a></li> <li><a href="/wiki/List_of_periodic_comets" title="List of periodic comets">Periodic</a></li> <li><a href="/wiki/Sungrazing_comet" title="Sungrazing comet">Sungrazing</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cosmic_dust" title="Cosmic dust">Cosmic dust</a></li> <li><a href="/wiki/Meteoroid" title="Meteoroid">Meteoroids</a></li> <li><a href="/wiki/Space_debris" title="Space debris">Space debris</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox authority-control" aria-label="Navbox" style="padding:3px"><table class="nowraplinks hlist navbox-inner" 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