Planetary Observational Data

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class="fixed-content-margin"></div> </div>  <div id="main_content" tabindex="-1" class="container-fluid hide-tabindex">   <noscript> <div class="alert alert-danger"> <h4>Please enable JavaScript for this website.</h4> <p> This website makes extensive use of JavaScript. The top menus will not function without it and most tools will also not work. </p> <p> If you do not know how to enable JavaScript in your web browser, you should be able find instructions by searching the web for "enable javascript in my browser" (or similar). </p> </div> </noscript> <h1 class="no-top-margin">Planetary Observational Data</h1> <div class="row"> <div class="col-xs-12"> <p> The creation of modern ephemerides involves the fitting to a wide variety of astronomical measurements (observations). This page presents the sets of observations that are currently being used in the creation and improvement of modern planetary and lunar ephemerides. </p> <p> These data are currently maintained by <b>Ryan Park</b>; JPL/Caltech (<a href="mailto:ryan.s.park@jpl.nasa.gov">ryan.s.park@jpl.nasa.gov</a>). </p> <h4 class="">Meridian Circle Timings (transits)</h4> <ul> <li><a href="/dat/planets/trnstsbordx.txt">iBordeaux, 1985-96</a></li> <li><a href="/dat/planets/trnstsherst.txt">RGO, Herstmonceux,1957-82</a></li> <li><a href="/dat/planets/trnstslplma.txt">RGO, La Palma, 1984-98</a></li> <li><a href="/dat/planets/trnststokyo.txt">Tokyo, 1986-88</a></li> <li><a href="/dat/planets/trnstswash6a.txt">USNO 6″, 1913-76</a></li> <li><a href="/dat/planets/trnstswash6b.txt">USNO 6″, 1977-82</a></li> <li><a href="/dat/planets/trnstswash6c.txt">USNO 6″, 1986-93</a></li> <li><a href="/dat/planets/trnstswash9.txt">USNO 9″, 1913-25, 1935-45</a></li> </ul> <h4 class="no-bottom-margin">Photographic Astrometry of Outer Planets and Satellites</h4> <ul class="list-inline"> <li>[ <a href="/dat/planets/optical_format.txt">Format</a> ]</li> <li>[ <a href="/dat/planets/astrom_refs.txt">References</a> ]</li> </ul> <ul> <li><a href="/dat/planets/nikolaev.txt">Nikolaev</a></li> <li><a href="/dat/planets/miscastrom.txt">misc. observatories</a></li> </ul> <h4 class="no-bottom-margin">Photographic Astrometry of Pluto</h4> <ul class="list-inline"> <li>[ <a href="/dat/planets/optical_format.txt">Format</a> ]</li> <li>[ <a href="/dat/planets/pluto_refs.txt">References</a> ]</li> </ul> <ul> <li><a href="/dat/planets/plutopre69.txt">1914-1969</a></li> <li><a href="/dat/planets/plutopost69.txt">1969-1988</a></li> <li><a href="/dat/planets/plutofk5.txt">1989-1995</a></li> </ul> <h4 class="no-bottom-margin">CCD Astrometry of Outer Planets and Satellites</h4> <ul class="list-inline"> <li>[ <a href="/dat/planets/optical_format.txt">Format</a> ]</li> <li>[ <a href="/dat/planets/ccd_refs.txt">References</a> ]</li> </ul> <ul> <li><a href="/dat/planets/ccd1_nofs.txt">USNO, Flagstaff</a></li> <li><a href="/dat/planets/ccd_bord.txt">Bordeaux</a></li> <li><a href="/dat/planets/ccd_tmo.txt">Table Mountain</a></li> <li><a href="/dat/planets/ccd_mcd.txt">McDonald</a></li> <li><a href="/dat/planets/ccd_mpc.txt">misc. observations</a></li> </ul> <h4 class="no-bottom-margin">Astrolabe Observations</h4> <ul class="list-inline"> <li>[ <a href="/dat/planets/astl_format.txt">Format</a> ]</li> <li>[ <a href="/dat/planets/astl_refs.txt">References</a> ]</li> </ul> <ul> <li><a href="/dat/planets/astlmars.txt">Mars</a></li> <li><a href="/dat/planets/astljupiter.txt">Jupiter</a></li> <li><a href="/dat/planets/astlsaturn.txt">Saturn</a></li> <li><a href="/dat/planets/astluranus.txt">Uranus</a></li> </ul> <h4 class="">Radar Ranging from Eupatoria, Crimea</h4> <ul> <li><a href="http://iaaras.ru/en/dept/ephemeris/observations/" target="_blank">Mercury, 1980-95; Venus, 1962-95; Mars, 1971-95</a> (external link)</li> </ul> <h4 class="no-bottom-margin">Radar Ranging from Goldstone, California</h4> <ul class="list-inline"> <li>[ <a href="/dat/planets/goldstone_format.txt">Format</a> ]</li> <li>[ <a href="/dat/planets/goldstone_refs.txt">References</a> ]</li> </ul> <ul> <li>Mercury, 1967-97</li> <li>Venus, 1967-90</li> </ul> <h4 class="no-bottom-margin">Spacecraft Encounter Estimates</h4> <ul class="list-inline"> <li>[ <a href="/dat/planets/npts3d_format.txt">Format</a> ]</li> </ul> <p class="indent">Right ascension, declination and range estimates from spacecraft encounters with tracking data (Doppler, range, and VLBI) re-reduced in ICRF frame.</p> <ul> <li><a href="/dat/planets/npts3d.txt">Spacecraft 3-D Observations</a></li> </ul> <h4 class="no-bottom-margin">Spacecraft VLBI</h4> <ul class="list-inline"> <li>[ <a href="/dat/planets/vlbi_vlba_refs.txt">References</a> ]</li> </ul> <p class="indent">Data from Magellan, Venus Express at Venus, Phobos, Mars Global Surveyor, Odyssey, Mars Reconnaisance Orbiter at Mars, and Galileo at Jupiter.</p> <ul> <li><a href="/dat/planets/vlbiobs_jun2013.txt">Single Baseline VLBI Observations</a></li> <li><a href="/dat/planets/vlbaobs.txt">VLBA Observations of Cassini spacecraft at Saturn</a></li> </ul> <h4 class="">Mercury Spacecraft Range</h4> <ul> <li><a href="/dat/planets/messenger.txt">Messenger Range</a></li> </ul> <h4 class="">Venus Spacecraft Doppler</h4> <ul> <li><a href="/dat/planets/mgndoppler.txt">Magellan Doppler</a></li> </ul> <h4 class="">Mars Spacecraft Ranging</h4> <ul> <li><a href="/dat/planets/mariner9obs.txt">Mariner 9</a></li> <li><a href="/dat/planets/vikingrange.txt">Viking Lander</a></li> <li><a href="/dat/planets/pathrange.txt">Mars Pathfinder</a></li> <li><a href="/dat/planets/mgsrange1999-2006.txt">Mars Global Surveyor</a></li> <li><a href="/dat/planets/odyrange2002-2013.txt">Odyssey (2002-2013)</a></li> <li><a href="/dat/planets/mrorange2006-2013.txt">MRO (2006-2013)</a></li> </ul> <h4 class="no-bottom-margin">Mars Spacecraft Doppler (Differenced Range)</h4> <ul class="list-inline"> <li>[ <a href="/dat/planets/mscdop_format.txt">Format</a> ]</li> <li>[ <a href="/dat/planets/vikpath_refs.txt">References</a> ]</li> </ul> <ul> <li><a href="/dat/planets/vikingdoppler.txt">Viking Lander</a></li> <li><a href="/dat/planets/pathdoppler.txt">Pathfinder Lander</a></li> </ul> <h4 class="">Juno Spacecraft Range</h4> <ul> <li><a href="/dat/planets/juno_range.txt">Juno Range</a></li> </ul> <h4 class="">Cassini Spacecraft Range</h4> <ul> <li><a href="/dat/planets/cassini_range_avg.txt">Cassini Range</a></li> </ul> <h4 class="">DSN Station Locations</h4> <ul> <li><a href="/dat/planets/stations_19jul2013.txt">DSN Coordinates</a></li> </ul> <h4 class="">Lunar Laser Ranging</h4> <p class="indent">These data are provided by the <a href="http://ilrs.gsfc.nasa.gov/index.html" target="_blank">International Laser Ranging Service</a>.</p> <ul> <li><a href="http://ilrs.gsfc.nasa.gov/data_and_products/data/index.html" target="_blank">Lunar Laser Ranging and Satellite Laser Ranging Data</a> (external link)</li> </ul> </div> </div>  <div id="footer" class="container-fluid footer"> <div class="row"> <div class="col-sm-5 col-xs-12"> <img class="ssd-logo" src="/images/ssd_logo.png" alt="SSD Logo" /> </div> <div class="col-sm-3 col-xs-12"> <div class="link-inv"> <a href="/sitemap.html"><i class="fa-fw fa fa-list-alt"></i> Site Map</a> </div> <div class="link-inv"> <a href="https://www.jpl.nasa.gov/caltechjpl-privacy-policies-and-important-notices"><i class="fa-fw fa fa-user-secret"></i> Privacy</a> </div> <div class="link-inv"> <a href="https://www.jpl.nasa.gov/jpl-image-use-policy"><i class="fa-fw fa fa-picture-o"></i> Image Policy</a> </div> </div> <div class="col-sm-4 col-xs-12"> <div class=" link-inv"> <a href="/contact/"><i class="fa-fw fa fa-envelope"></i> Contact Us</a> </div> <div class="text-smaller"> <span class="footer-label text-nowrap">Site Manager:</span> <span class="text-nowrap">Ryan Park</span> </div> <div class="text-smaller2"> <span class="footer-label text-nowrap">Site Design:</span> <span class="text-nowrap">Alan B. 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Planetary Observational Data