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<div id="contentwrapper"><div id="rightcontent"><div id="headimage"><img height="100" width="530" alt="National Space Science Data Center Header" src="/logo/nssdc_header.jpg"/></div><h1>Lunar Prospector</h1><p><strong>NSSDC ID:</strong> 1998-001A</p><div class="twocol"><div class="urone"><h2>Launch Information</h2><p><strong>Launch Date:</strong> 1998-01-07 at 02:28:44 UTC<br/><strong>Launch Vehicle:</strong> Athena 2<br/><strong>Launch Site:</strong> Cape Canaveral, United States<br/><strong>Decay Date:</strong> 1999-07-31<br/></p><h2>Trajectory Description</h2><p>
          No description available.
          </p></div><div class="urtwo"><h2>Additional Information</h2><ul><li><a href="spacecraftDisplay.do?id=1998-001A">General information on Lunar Prospector</a></li><li><a href="experimentSearch.do?spacecraft=Lunar Prospector">Experiments on Lunar Prospector</a></li><li><a href="datasetSearch.do?spacecraft=Lunar Prospector">Data collections from Lunar Prospector</a></li></ul></div></div><div class="clearleft"/><h2>Trajectory Details</h2><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Orbiter</td></tr><tr><td colspan="5">Central Body: Earth</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1998-01-07 03:30:00 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1998-01-07 12:30:00&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Orbital Parameters</strong></td></tr><tr class="odd"><td>Periapsis</td><td>Apoapsis</td><td>Period</td><td>Inclination</td><td>Eccentricity</td></tr><tr><td>1.03 RE</td><td>56.29 RE</td><td>216.1 hours</td><td>29.2&#x00B0;</td><td>0.96403</td></tr></tbody></table><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Orbiter</td></tr><tr><td colspan="5">Central Body: Earth</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1998-01-07 12:30:00 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1998-01-08 08:45:00&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Orbital Parameters</strong></td></tr><tr class="odd"><td>Periapsis</td><td>Apoapsis</td><td>Period</td><td>Inclination</td><td>Eccentricity</td></tr><tr><td>1.01 RE</td><td>60.58 RE</td><td>242.1 hours</td><td>29.27&#x00B0;</td><td>0.96727</td></tr></tbody></table><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Orbiter</td></tr><tr><td colspan="5">Central Body: Earth</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1998-01-08 08:45:00 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1998-01-11 12:20:00&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Orbital Parameters</strong></td></tr><tr class="odd"><td>Periapsis</td><td>Apoapsis</td><td>Period</td><td>Inclination</td><td>Eccentricity</td></tr><tr><td>0.96 RE</td><td>60.58 RE</td><td>240.3 hours</td><td>29.26&#x00B0;</td><td>0.96886</td></tr></tbody></table><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Orbiter</td></tr><tr><td colspan="5">Central Body: Moon</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1998-01-11 12:20:00 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1998-01-12 12:05:00&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Orbital Parameters</strong></td></tr><tr class="odd"><td>Periapsis</td><td>Apoapsis</td><td>Period</td><td>Inclination</td><td>Eccentricity</td></tr><tr><td>83.58 km</td><td>8,469.6 km</td><td>11.63 hours</td><td>89.72&#x00B0;</td><td>0.69714</td></tr></tbody></table><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Orbiter</td></tr><tr><td colspan="5">Central Body: Moon</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1998-01-12 12:05:00 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1998-01-13 12:10:00&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Orbital Parameters</strong></td></tr><tr class="odd"><td>Periapsis</td><td>Apoapsis</td><td>Period</td><td>Inclination</td><td>Eccentricity</td></tr><tr><td>86.96 km</td><td>1,861.4 km</td><td>3.52 hours</td><td>89.87&#x00B0;</td><td>0.32713</td></tr></tbody></table><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Orbiter</td></tr><tr><td colspan="5">Central Body: Moon</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1998-01-13 12:10:00 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1998-01-16 00:00:00&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Orbital Parameters</strong></td></tr><tr class="odd"><td>Periapsis</td><td>Apoapsis</td><td>Period</td><td>Inclination</td><td>Eccentricity</td></tr><tr><td>91.6 km</td><td>153.2 km</td><td>2 hours</td><td>90.01&#x00B0;</td><td>0.01653</td></tr></tbody></table><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Orbiter</td></tr><tr><td colspan="5">Central Body: Moon</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1998-01-16 00:00:00 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1998-12-19 19:37:00&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Orbital Parameters</strong></td></tr><tr class="odd"><td>Periapsis</td><td>Apoapsis</td><td>Period</td><td>Inclination</td><td>Eccentricity</td></tr><tr><td>99.45 km</td><td>101.2 km</td><td>1.97 hours</td><td>90.55&#x00B0;</td><td>0.00046</td></tr></tbody></table><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Orbiter</td></tr><tr><td colspan="5">Central Body: Moon</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1998-12-19 19:37:00 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1999-01-28 07:43:00&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Orbital Parameters</strong></td></tr><tr class="odd"><td>Periapsis</td><td>Apoapsis</td><td>Period</td><td>Inclination</td><td>Eccentricity</td></tr><tr><td>29 km</td><td>52 km</td><td>1.87 hours</td><td>90&#x00B0;</td><td>0.00645</td></tr></tbody></table><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Orbiter</td></tr><tr><td colspan="5">Central Body: Moon</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1999-01-28 07:43:00 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1999-01-28 07:43:00&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Orbital Parameters</strong></td></tr><tr class="odd"><td>Periapsis</td><td>Apoapsis</td><td>Period</td><td>Inclination</td><td>Eccentricity</td></tr><tr><td>17 km</td><td>43 km</td><td>1.85 hours</td><td>90&#x00B0;</td><td>0.00735</td></tr></tbody></table><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><td colspan="5">Type: Lander</td></tr><tr><td colspan="5">Central Body: Moon</td></tr></thead><tbody><tr><td colspan="5">Epoch start: 1999-07-31 09:52:02 UTC</td></tr><tr><td colspan="5">&#x00A0;&#x00A0;Epoch stop:&#x00A0;1999-07-31 09:52:02&#x00A0;UTC</td></tr><tr class="odd"><td colspan="5"><strong>Lander Coordinates</strong></td></tr><tr><td colspan="5">  Latitude: 0&#x00B0;</td></tr><tr><td colspan="5">  Longitude: 0&#x00B0;</td></tr></tbody></table><h2>Key to Apside Units</h2><table style="width:400px;" cellspacing="0" cellpadding="0" class="datatab"><thead><tr><th>Unit</th><th>Defined as</th><th>Equivalent metric measure</th></tr></thead><tbody><tr><td>RE</td><td>Earth radii</td><td>6,378 km</td></tr><tr class="odd"><td>km</td><td>kilometer</td><td>1,000 m</td></tr></tbody></table></div><div id="leftcontent"><div id="leftnav"><h2>NSSDC Master Catalog Search</h2>
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