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Baris 3: \| alt_names = Saturnus LXVI<br/>S/2004 S 38<br/>S8568a<ref name="SheppardMoons"/> \| named_after = [[Geirröðr]] \| discovery_ref = <ref name="Discoverers_JPL">Discovery Circumstances [http://ssd.jpl.nasa.gov/?sat_discovery from JPL] {{Webarchive\|url=https://web.archive.org/web/20090814105327/http://ssd.jpl.nasa.gov/?sat_discovery \|date=2009-08-14 }}</ref> \| discoverer = [[Scott S. Sheppard\|Sheppard]] ''et al.'' \| discovered = 2019 \| orbit_ref =  <ref name="SheppardMoons">[{{Cite web \|url=https://sites.google.com/carnegiescience.edu/sheppard/moons/saturnmoons \|title=S.S. Sheppard (2019), Moons of Saturn, ''Carnegie Science'', on line] \|access-date=2022-01-24 \|archive-date=2019-10-07 \|archive-url=https://web.archive.org/web/20191007223224/https://sites.google.com/carnegiescience.edu/sheppard/moons/saturnmoons \|dead-url=no }}</ref> \| semimajor = {{val\|23006200\|u=km}} \| inclination = 155,0° Baris 17: }} '''Geirrod''' ('''Saturnus LXVI'''), penamaan sementara '''S/2004 S 38''', adalah [[satelit alami]] planet [[Saturnus]]. Penemuannya diumumkan oleh [[Scott S. Sheppard]], [[David C. Jewitt]], dan [[Jan Kleyna]] pada 8 Oktober 2019 dari pengamatan yang dilakukan antara 12 Desember 2004 dan 22 Maret 2007.<ref name="announcement">{{cite web \|title=MPEC 2019-T160 : S/2004 S 38 \|url=https://minorplanetcenter.net/mpec/K19/K19TG0.html \|website=minorplanetcenter.net \|accessdate=8 October 2019 \|archive-date=2021-12-21 \|archive-url=https://web.archive.org/web/20211221182807/https://minorplanetcenter.net/mpec/K19/K19TG0.html \|dead-url=no }}</ref> Satelit ini diberikan penamaan permanen pada Agustus 2021.<ref name="MPC133821">{{cite web\|title=M.P.C. 133821\|url=https://www.minorplanetcenter.net/iau/ECS/MPCArchive/2021/MPC_20210810.pdf\|website=Minor Planet Center\|publisher=[[International Astronomical Union]]\|date=10 Agustus 2021\|access-date=21 Agustus 2021\|archive-date=2021-08-21\|archive-url=https://web.archive.org/web/20210821081035/https://www.minorplanetcenter.net/iau/ECS/MPCArchive/2021/MPC_20210810.pdf\|dead-url=no}}</ref> Pada 24 Agustus 2022, satelit ini resmi dinamakan menurut nama seorang [[jotun]] dalam [[mitologi Nordik]], [[Geirröðr]].<ref>{{cite web \|url=https://astrogeology.usgs.gov/news/nomenclature/names-approved-for-10-small-satellites-of-saturn \|title=Names Approved for 10 Small Satellites of Saturn \|author=<!--Not stated--> \|date=24 Agustus 2022 \|website=usgs.gov \|publisher=USGS \|access-date=30 Agustus 2022 \|archive-date=2022-10-08 \|archive-url=https://web.archive.org/web/20221008042558/https://astrogeology.usgs.gov/news/nomenclature/names-approved-for-10-small-satellites-of-saturn \|dead-url=no }}</ref> Geirrod memiliki diameter sekitar 4 km, dan mengorbit Saturnus dari jarak rata-rata 21,908 Gm selama 1211,02 hari, pada inklinasi 154° terhadap ekliptika, dalam arah ''retrograde'' dan dengan eksentrisitas 0,437.<ref name="announcement"/>

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