The Possible Comet Confirmation Page

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<p>The objects listed on this page may be comets. All reports of new cometary activity should be made using the following <a href="https://minorplanetcenter.net/mpcops/submissions/cometary/" target="_blank">web form</a> (Reports of activity for known comets made to the above web form will be ignored.) New reports of cometary activity must be made using this web form in order to be considered for inclusion in any resulting MPEC announcing cometary status. <p><b>IF YOU DO NOT DETECT CLEAR COMETARY ACTIVITY, DO NOT CLAIM THAT AN OBJECT IS A COMET</b>. <p>We will be operating a "reputation based" system for judging whether claims are valid. If you report cometary activity for an object later shown to be asteroidal, you may find that future reports of cometary activity by your observing station will be ignored by the MPC. <p class="rj"> Page last updated on Nov. 28.386 UTC. <br> <a href="https://minorplanetcenter.net/cgi-bin/feedback.cgi?U=/iau/NEO/pccp_tabular.html&S=Problem">Problems?</a> <a href="https://minorplanetcenter.net/cgi-bin/feedback.cgi?U=/iau/NEO/pccp_tabular.html&S=Commment">Comments?</a> <hr> <FORM METHOD=POST ACTION="https://minorplanetcenter.net/cgi-bin/confirmeph2.cgi"> <input type=submit value=" Get ephemerides "> <input type=reset value=" Reset form "><p> Select object(s) from the current list of possible comets needing confirmation (NEO desirability score, discovery date, rough current position and magnitude given, as well as number of observations, arc, nominal <i>H</i> and number of days since it was observed): <p><input type="radio" name="W" VALUE="a">All objects with <i>V</i> = <input name="mb" maxlength=4 size=4 value="-30"> to <input name="mf" maxlength=4 size=4 value="30">, with Decl. between <input name="dl" maxlength=5 size=5 value="-90">° and <input name="du" maxlength=5 size=5 value="+90">°, with an NEO desirability score of <input name="nl" maxlength=3 size=3 value="0">% to <input name="nu" maxlength=3 size=3 value="100">% <input type="hidden" name="sort" value="d"> <br><input type="radio" name="W" VALUE="j" CHECKED>or just the objects selected below: <input type=button value="Deselect All" onclick="var i; var ff = document.getElementsByTagName('input'); for (i = 0; i < ff.length; i++) { if (ff[i].type == 'checkbox') { ff[i].checked=false;}}"> <input type=button value="Select All" onclick="var i; var ff = document.getElementsByTagName('input'); for (i = 0; i < ff.length; i++) { if (ff[i].type == 'checkbox') { ff[i].checked=true;}}"> <table class="tablesorter"> <thead> <tr> <th>  Temp Desig   </th> <th>  Score   </th> <th>  Discovery</th> <th>  R.A.  </th> <th>  Decl.  </th> <th>  V  </th> <th>Updated</th> <th> Note   </th> <th> NObs   </th> <th> Arc  </th> <th> H  </th> <th> Not Seen/dys  </th> </tr> </thead> <tbody> <tr><td><span style="display:none">P122bOL</span> <input type="checkbox" name="obj" VALUE="P122bOL"> P122bOL</td> <td align="right"><span style="display:none">094</span> 94   </td> <td>  2024 11 22.6  </td> <td><span style="display:none">147.4478</span>  09 49.8  </td> <td align="right"><span style="display:none">056.8905</span>  -33 06  </td> <td align="right"><span style="display:none">29.5</span>  20.5  </td> <td><span style="display:none">J2460642.143083</span> Updated Nov. 27.64 UT </td> <td align="center"> B </td> <td align="right">  19 </td> <td align="right">  5.02 </td> <td align="right"> 15.0 </td> <td align="right">  0.760 </td><tr> <tr><td><span style="display:none">v17oct4</span> <input type="checkbox" name="obj" VALUE="v17oct4"> v17oct4</td> <td align="right"><span style="display:none">100</span>100   </td> <td>  2024 10 18.0  </td> <td><span style="display:none">275.0477</span>  18 20.2  </td> <td align="right"><span style="display:none">076.3206</span>  -13 40  </td> <td align="right"><span style="display:none">28.4</span>  21.6  </td> <td><span style="display:none">J2460642.178759</span> Updated Nov. 27.68 UT </td> <td align="center">  </td> <td align="right">  2 </td> <td align="right">  0.00 </td> <td align="right"> 18.4 </td> <td align="right"> 41.388 </td><tr> </tbody> </table> The information in the table is available in a <a href="/iau/NEO/pccp.txt">text file</a>. The layout of this file matches the table layout exactly, except that the R.A. is converted to decimal hours and the Decl. to decimal degrees. <a name="ActionCodes"></a> If you need to delete one of your discoveries as "does not exist" or "artificial", or flag it as "cometary", etc., please submit the corresponding "action code" through our <a href="/submit_action_code">Submit Action Code Form</a> <hr>Select your viewing point: <input type="radio" name="Parallax" VALUE="0">Geocentric <input type="radio" name="Parallax" VALUE="1" CHECKED><a href="/iau/lists/ObsCodes.html">Observatory code</a> <input name="obscode" maxlength=3 size=3 VALUE="500"> <br><input type="radio" name="Parallax" VALUE="2"> Longitude <input name="long" maxlength=8 size=8 value=""> ° E, latitude <input name="lat" maxlength=8 size=8 value=""> °, altitude <input name="alt" maxlength=6 size=6 value=""> m. <br>Longitudes and latitudes should be entered in decimal degrees. <hr> Ephemeris interval: <input type="radio" name="int" value="0" CHECKED> 1 hour <input type="radio" name="int" value="1"> 30 mins <input type="radio" name="int" value="2"> 10 mins <input type="radio" name="int" value="3"> 1 min <br>Start ephemerides at now + <input name="start" value="0" maxlength=5 size=5> hours <br>Display positions in: <input type="radio" name="raty" value="h"> truncated sexagesimal or <input type="radio" name="raty" value="a" CHECKED> full sexagesimal or <input type="radio" name="raty" value="d"> decimal units <br>Display motions as: <input type="radio" name="mot" value="s"> "/sec, <input type="radio" name="mot" value="m" CHECKED> "/min, <input type="radio" name="mot" value="h"> "/hr or <input type="radio" name="mot" value="d"> °/day. <br><input type="radio" name="dmot" value="p" CHECKED> Total motion and direction <input type="radio" name="dmot" value="r"> Separate R.A. and Decl. coordinate motions <input type="radio" name="dmot" value="s"> Separate R.A. and Decl. sky motions <br><input type="radio" name="out" value="f" CHECKED> Full output <input type="radio" name="out" value="b"> Brief output <br>Suppress output at <select name="sun"> <option value="x"> <never> <option value="s" checked> sunset/rise <option value="c"> civil twilight <option value="n"> nautical twilight <option value="a"> astronomical twilight </select> or when object's altitude is below <input name="oalt" maxlength=3 size=3 value="20">°. <br><input type=submit value=" Get ephemerides "> <input type=reset value=" Reset form "><p> </form> <hr> <hr> The following objects either display comet-like orbits but have not had their cometary nature confirmed, or are suspected of displaying cometary activity. To get ephemerides of these objects, refer to the MPC <a href="https://minorplanetcenter.net/iau/MPEph/MPEph.html">ephemeris service</a>. Please submit reports of cometary activity <a href="https://minorplanetcenter.net/mpcops/submissions/cometary/"> here</a>. <a name="ObsComm"></a> <table class="tablesorter"> <thead> <tr> <th>  Desig.    </th> <th>  R.A.    </th> <th>  Decl.    </th> <th>  Magn.    </th> <th>  Elong.    </th> </tr> </thead> <tbody> <tr><td>A/2010 LN135</td><td>11 02.6</td><td>-19 14</td><td>29.0</td><td align='right'>73</td></tr> <tr><td>A/2018 V3</td><td>11 02.0</td><td>+14 09</td><td>27.9</td><td align='right'>85</td></tr> <tr><td>A/2018 W3</td><td>16 13.4</td><td>+28 29</td><td>21.4</td><td align='right'>50</td></tr> <tr><td>A/2019 G3</td><td>07 16.2</td><td>+01 10</td><td>28.7</td><td align='right'>132</td></tr> <tr><td>A/2019 N2</td><td>07 50.5</td><td>+79 47</td><td>24.6</td><td align='right'>117</td></tr> <tr><td>A/2019 O4</td><td>11 51.6</td><td>-00 48</td><td>26.9</td><td align='right'>68</td></tr> <tr><td>A/2019 Q2</td><td>14 24.2</td><td>-26 01</td><td>30.2</td><td align='right'>26</td></tr> <tr><td>A/2019 T1</td><td>11 51.0</td><td>-13 31</td><td>23.7</td><td align='right'>63</td></tr> <tr><td>A/2020 A1</td><td>00 49.5</td><td>+41 15</td><td>29.6</td><td align='right'>132</td></tr> <tr><td>A/2020 B1</td><td>16 10.5</td><td>-36 47</td><td>32.8</td><td align='right'>16</td></tr> <tr><td>A/2020 H9</td><td>10 47.0</td><td>+54 45</td><td>29.8</td><td align='right'>103</td></tr> <tr><td>A/2020 M4</td><td>10 50.9</td><td>+03 11</td><td>25.5</td><td align='right'>83</td></tr> <tr><td>A/2021 E2</td><td>05 11.8</td><td>+35 39</td><td>25.9</td><td align='right'>161</td></tr> <tr><td>A/2021 E4</td><td>23 06.5</td><td>+43 45</td><td>23.1</td><td align='right'>114</td></tr> <tr><td>A/2022 B3</td><td>03 32.2</td><td>-31 54</td><td>26.3</td><td align='right'>126</td></tr> <tr><td>A/2023 H4</td><td>02 25.2</td><td>+29 58</td><td>25.3</td><td align='right'>154</td></tr> <tr><td>A/2023 R3</td><td>12 55.5</td><td>-09 51</td><td>27.4</td><td align='right'>49</td></tr> <tr><td>A/2024 D1</td><td>10 44.6</td><td>+51 54</td><td>21.3</td><td align='right'>102</td></tr> <tr><td>A/2024 G8</td><td>23 55.9</td><td>-19 08</td><td>24.9</td><td align='right'>105</td></tr> <tr><td>2007 SA24</td><td>06 38.8</td><td>+09 43</td><td>22.6</td><td align='right'>144</td></tr> <tr><td>2008 BJ22</td><td>13 44.1</td><td>-04 32</td><td>21.0</td><td align='right'>40</td></tr> <tr><td>2009 KF37</td><td>12 37.9</td><td>+05 40</td><td>23.5</td><td align='right'>60</td></tr> <tr><td>2010 KG43</td><td>02 04.1</td><td>+30 54</td><td>20.7</td><td align='right'>149</td></tr> <tr><td>2010 LH15</td><td>05 38.8</td><td>+30 39</td><td>20.8</td><td align='right'>159</td></tr> <tr><td>2011 UG104</td><td>18 33.2</td><td>-01 28</td><td>24.4</td><td align='right'>39</td></tr> <tr><td>2012 KA51</td><td>11 01.7</td><td>-38 35</td><td>26.3</td><td align='right'>68</td></tr> <tr><td>2014 XK6</td><td>10 02.6</td><td>+25 42</td><td>26.0</td><td align='right'>102</td></tr> <tr><td>2017 FL36</td><td>21 52.8</td><td>-02 36</td><td>22.2</td><td align='right'>84</td></tr> <tr><td>2018 BJ11</td><td>01 17.9</td><td>+11 01</td><td>20.9</td><td align='right'>136</td></tr> <tr><td>2019 AV4</td><td>11 53.3</td><td>-02 16</td><td>24.4</td><td align='right'>67</td></tr> <tr><td>2021 AY8</td><td>04 18.8</td><td>+23 44</td><td>20.7</td><td align='right'>178</td></tr> <tr><td>2021 TR81</td><td>17 46.7</td><td>+03 07</td><td>26.0</td><td align='right'>33</td></tr> <tr><td>2022 AB8</td><td>18 32.2</td><td>+03 41</td><td>26.6</td><td align='right'>42</td></tr> <tr><td>2022 DQ17</td><td>03 06.4</td><td>-16 33</td><td>24.6</td><td align='right'>138</td></tr> <tr><td>2022 OF60</td><td>09 32.7</td><td>+04 14</td><td>28.0</td><td align='right'>102</td></tr> <tr><td>2023 BN13</td><td>16 36.1</td><td>-24 10</td><td>24.5</td><td align='right'>6</td></tr> <tr><td>2023 RS61</td><td>01 47.4</td><td>+29 53</td><td>21.2</td><td align='right'>146</td></tr> <tr><td>2024 CR9</td><td>23 12.3</td><td>+00 40</td><td>23.2</td><td align='right'>103</td></tr> <tr><td>2024 PN7</td><td>18 22.4</td><td>+25 54</td><td>19.7</td><td align='right'>56</td></tr> <tr><td>(7341)</td><td>15 10.9</td><td>-21 15</td><td>20.9</td><td align='right'>15</td></tr> <tr><td>(523676)</td><td>13 54.3</td><td>-19 27</td><td>24.0</td><td align='right'>33</td></tr> </tbody> </table> <p><hr> <a name="notes"><a href="/iau/info/Astrometry.html">Notes on how to begin your own astrometric program</a> are available. Please ensure that you have read the <a href="/iau/NEO/NEOCPNotes.html">additional notes on the NEOCP (which are relevant to the PCCP)</a>. <b>Please do not report observations of non-NEOCP objects in the same message as observations of objects on this page!</b> Please report unsuccessful attempts to detect objects listed here that are NOT listed as `updated' or that have not been updated in the past 24 hours using <a href="https://minorplanetcenter.net/NEOCPblog/">the NEOCP Blog</a>. <b>Please note that observations and orbits of objects accessible via this service are made available only for your personal use. They are not to be promulgated via any medium. The data are preliminary until they appear on an <i>MPEC</i> or <i>MPS</i>.</b> <p>You can now access ephemerides for the variant orbits used in the uncertainty plots from the pages listing the offsets from the nominal solutions. Please <a href="/iau/MPCStatus.html">read</a> (or <a href="/iau/NEO/NEOCPNotes.html">here</a>) about the coloration used in the uncertainty plots. <p>You are reminded that a cross-reference of designations that have appeared here previously is available <a href="/iau/NEO/ToConfirm_PrevDes.html">elsewhere</a>. </p>  </div> </div> </div>  <footer id="footer"> <div class="holder"> <nav class="nav"> <ul> <li><a href="/">Home</a></li> <li><a href="/about">About</a></li>  <li><a href="https://mpc-service.atlassian.net/servicedesk/customer/portals">Helpdesk</a></li>  </ul> </nav> <a href="https://www.cfa.harvard.edu"> <img src="/images/CfA_Logo_Vertical_CMYK.png" width="110" height="47"></a> <p> <p> <p> <div class="copy">The Minor Planet Center is hosted by the Center for Astrophysics | Harvard & Smithsonian.<center>The Minor Planet Center is funded by NASA.</center></div> </footer> <script type="text/javascript"> $(window).on('load', (function() { $("table").tablesorter(); })); </script> <script type="text/javascript"> //<![CDATA[ var _tag=new WebTrends(); _tag.dcsGetId(); //]]> </script> <script type="text/javascript"> //<![CDATA[ _tag.dcsCustom=function(){ // Add custom parameters here. //_tag.DCSext.param_name=param_value; } _tag.dcsCollect(); //]]> </script> <noscript> <div><img alt="DCSIMG" id="DCSIMG" width="1" height="1" src="//logs1.smithsonian.museum/dcsa7yzrmbdzpxzrosrn4tyep_5i1d/njs.gif?dcsuri=/nojavascript&WT.js=No&WT.tv=9.4.0&dcssip=www.minorplanetcenter.net"/></div> </noscript> </body> </html>

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