Planetary Names

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</ul> </nav> </div> <div class="grid-col usa-prose padding-top-5"> <h2 class="font-heading-2xl margin-y-0">Gazetteer of Planetary Nomenclature</h2> <hr /> <div class="grid-container usa-in-page-nav-container"> <aside class="usa-in-page-nav" data-title-text="On this page" data-scroll-offset="-120" data-root-margin="48px 0px -90% 0px"></aside> <main id="main-content" class="main-content usa-prose"> <p class="font-body-md measure-6"> The Gazetteer of Planetary Nomenclature provides detailed information about planetary names approved by the International Astronomical Union. Find out more about the history of planetary nomenclature, how names are approved, how to propose a name, and more by exploring the pages from the navigation menu. Explore approved planetary names on each planet by clicking on the icons above. </p> <h2 class="font-heading-xl margin-y-0">Nomenclature News <a href="rss"><svg class="usa-icon" aria-hidden="true" focusable="false" role="img"> <use xlink:href="/static/img/sprite.svg#rss_feed"></use> </svg></a> </h2> <ul class="usa-collection"> <li class="usa-collection__item"> <div class="usa-collection__body"> <h4 class="usa-collection__heading">Seven Names Approved for Mercury: Mahsati, We'wha, Lucena, Rainey, Guinness, Price, and Traba</h4> <ul class="usa-collection__meta" aria-label="More information"> <li class="usa-collection__meta-item"> <time datetime=02/07/2025>02/07/2025</time> </li> </ul> <p class="usa-collection__description">The IAU Working Group for Planetary System Nomenclature has approved the names <a href="https://planetarynames.wr.usgs.gov/Feature/16387">Mahsati</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16388">We鈥檞ha</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16389">Lucena</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16390">Rainey</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16391">Guinness</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16392">Price</a>, and <a href="https://planetarynames.wr.usgs.gov/Feature/16393">Traba</a> for seven craters on Mercury.</p> <ul class="usa-collection__meta" aria-label="Topics"> <li class="usa-collection__meta-item usa-tag usa-tag--new">New</li> <li class="usa-collection__meta-item usa-tag">Mercury</li> </ul> </div> </li> <li class="usa-collection__item"> <div class="usa-collection__body"> <h4 class="usa-collection__heading">Name Approved for Mercury: Serp Facula</h4> <ul class="usa-collection__meta" aria-label="More information"> <li class="usa-collection__meta-item"> <time datetime=02/05/2025>02/05/2025</time> </li> </ul> <p class="usa-collection__description">The IAU Working Group for Planetary System Nomenclature has approved the name <a href="https://planetarynames.wr.usgs.gov/Feature/16386">Serp Facula</a> for a feature on Mercury. For more information, please see the <a href="https://asc-planetarynames-data.s3.us-west-2.amazonaws.com/H-10.pdf">H-10 nomenclature map</a> in the <a href="https://planetarynames.wr.usgs.gov/">Gazetteer of Planetary Nomenclature</a>.</p> <ul class="usa-collection__meta" aria-label="Topics"> <li class="usa-collection__meta-item usa-tag">Mercury</li> </ul> </div> </li> <li class="usa-collection__item"> <div class="usa-collection__body"> <h4 class="usa-collection__heading">Thirteen Names Approved for Mars</h4> <ul class="usa-collection__meta" aria-label="More information"> <li class="usa-collection__meta-item"> <time datetime=02/04/2025>02/04/2025</time> </li> </ul> <p class="usa-collection__description">The IAU Working Group for Planetary System Nomenclature has approved the names <a href="https://planetarynames.wr.usgs.gov/Feature/16373">Forro</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16374">Sidhi</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16375">Lendringsen</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16376">Pizzarello</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16377">Minami</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16378">Idah</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16379">Knudsen</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16380">Drake</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16381">Moyo</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16382">Papike</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16383">Townsend</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16384">Blount</a>, and <a href="https://planetarynames.wr.usgs.gov/Feature/16385">Tup茫</a> for thirteen features on Mars. For more information, please see the <a href="https://asc-planetarynames-data.s3.us-west-2.amazonaws.com/mc27_2014.pdf">MC-27 nomenclature map</a> in the <a href="https://planetarynames.wr.usgs.gov/">Gazetteer of Planetary Nomenclature</a>.</p> <ul class="usa-collection__meta" aria-label="Topics"> <li class="usa-collection__meta-item usa-tag">Mars</li> </ul> </div> </li> <li class="usa-collection__item"> <div class="usa-collection__body"> <h4 class="usa-collection__heading">Names Approved for Io: Amatsumara Patera, Antenora Mons, Cocytus Montes, Dis Mons, and Guaraci Fluctus</h4> <ul class="usa-collection__meta" aria-label="More information"> <li class="usa-collection__meta-item"> <time datetime=01/29/2025>01/29/2025</time> </li> </ul> <p class="usa-collection__description">The IAU Working Group for Planetary System Nomenclature has approved the names <a href="https://planetarynames.wr.usgs.gov/Feature/16371">Amatsumara Patera</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16369">Antenora Mons</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16370">Cocytus Montes</a>, <a href="https://planetarynames.wr.usgs.gov/Feature/16368">Dis Mons</a>, and <a href="https://planetarynames.wr.usgs.gov/Feature/16372">Guaraci Fluctus</a> for five features on Io. For more information, please see the <a href="https://asc-planetarynames-data.s3.us-west-2.amazonaws.com/io_comp_color.pdf">Io nomenclature map</a> in the <a href="https://planetarynames.wr.usgs.gov/">Gazetteer of Planetary Nomenclature</a>.</p> <ul class="usa-collection__meta" aria-label="Topics"> <li class="usa-collection__meta-item usa-tag">Io</li> </ul> </div> </li> <li class="usa-collection__item"> <div class="usa-collection__body"> <h4 class="usa-collection__heading">Names Approved for Pluto: Gibson and Giclas</h4> <ul class="usa-collection__meta" aria-label="More information"> <li class="usa-collection__meta-item"> <time datetime=01/08/2025>01/08/2025</time> </li> </ul> <p class="usa-collection__description">The IAU Working Group for Planetary System Nomenclature has approved the names <a href="https://planetarynames.wr.usgs.gov/Feature/16366">Gibson</a> and <a href="https://planetarynames.wr.usgs.gov/Feature/16367">Giclas</a> for two craters on Pluto.</p> <ul class="usa-collection__meta" aria-label="Topics"> <li class="usa-collection__meta-item usa-tag">Pluto</li> </ul> </div> </li> <li class="usa-collection__item"> <div class="usa-collection__body"> <h4 class="usa-collection__heading">Names Approved for Selam</h4> <ul class="usa-collection__meta" aria-label="More information"> <li class="usa-collection__meta-item"> <time datetime=12/20/2024>12/20/2024</time> </li> </ul> <p class="usa-collection__description">The IAU Working Group for Planetary System Nomenclature has approved the names <a href="https://planetarynames.wr.usgs.gov/Feature/16363">Pi臋kna Lobus</a> and <a href="https://planetarynames.wr.usgs.gov/Feature/16364">L岷箇a Lobus</a> for the two lobes of Selam, and the surface feature name <a href="https://planetarynames.wr.usgs.gov/Feature/16365">Uwoduhi Dorsum</a> for a dorsum.</p> <ul class="usa-collection__meta" aria-label="Topics"> <li class="usa-collection__meta-item usa-tag">Selam</li> </ul> </div> </li> <button type="button" class="usa-button usa-button--outline" onclick="window.location.href='/News';"> Read More... </button> </ul> </main> </div> </div> </div> </div> <script> $("a").addClass("usa-link"); var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-28905790-1']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 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