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{{Infobox planet
'''TRAPPIST-1g''' adalah sebuah [[Planet luar surya|planet ekstrasurya]] yang mengorbit di sekitar bintang kerdil ultra-dingin [[TRAPPIST-1]] sekitar 40 tahun cahaya jauhnya di konstelasi [[Akuarius|Aquarius]]. Itu adalah salah satu dari empat eksoplanet baru yang ditemukan mengorbit di bintang ini dengan menggunakan pengamatan dari [[Teleskop luar angkasa Spitzer|Spitzer Space Telescope]].<ref>{{Cite web|url=http://spaceref.com/astronomy/temperate-earth-sized-planets-found-in-extraordinarily-rich-planetary-system-trappist-1.html|title=Temperate Earth-Sized Planets Found in Extraordinarily Rich Planetary System TRAPPIST-1|date=22 February 2017|publisher=SpaceRef|access-date=11 February 2017}}</ref> exoplanet ini memiliki [[zona layak huni]].<ref>{{Cite press release|url=https://exoplanets.nasa.gov/news/1419/nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around-single-star/|title=NASA telescope reveals largest batch of Earth-size, habitable-zone planets around single star|newspaper=Exoplanet Exploration: Planets Beyond our Solar System|access-date=22 February 2017}}</ref>▼
| name = TRAPPIST-1g
| image = TRAPPIST-1g artist impression 2018.png
| caption = Penggambaran komputer atas TRAPPIST-1g. (Februari 2018)
<!-- DISCOVERY -->
| discovered = 2017
| discovery_method = Transit
<!-- DESIGNATIONS -->
<!-- ORBITAL -->
| apsis = astron
| aphelion = 0,04697 {{±|0,0000031|0,000004}} [[Satuan astronomi|AU]]
| perihelion = 0,04678 {{±|0,0000034|0,000004}} [[Satuan astronomi|AU]]
| semimajor = {{nowrap|0,04687692 ± 3,2 × 10<sup>−7</sup>}}<ref name="Grimm2018">{{Cite journal|title=The nature of the TRAPPIST-1 exoplanets |journal=Astronomy & Astrophysics |volume=613 |pages=A68 |arxiv=1802.01377 |first1=Simon L. |last1=Grimm |first2=Brice-Olivier |last2=Demory |first3=Michael |last3=Gillon |first4=Caroline |last4=Dorn |first5=Eric |last5=Agol |first6=Artem |last6=Burdanov |first7=Laetitia |last7=Delrez |first8=Marko |last8=Sestovic |first9=Amaury H.M.J. |last9=Triaud |first10=Martin |last10=Turbet |first11=Emeline |last11=Bolmont |first12=Anthony |last12=Caldas |first13=Julien |last13=de Wit |first14=Emmanuel |last14=Jehin |first15=Jeremy |last15=Leconte |first16=Sean N. |last16=Raymond |first17=Valerie |last17=Van Grootel |first18=Adam J. |last18=Burgasser |first19=Sean |last19=Carey |first20=Daniel |last20=Fabrycky |first21=Kevin |last21=Heng |first22=David M. |last22=Hernandez |first23=James G. |last23=Ingalls |first24=Susan |last24=Lederer |first25=Franck |last25=Selsis |first26=Didier |last26=Queloz |doi=10.1051/0004-6361/201732233 |year=2018 }}</ref> [[Satuan astronomi|AU]]
| eccentricity = 0,00208 (± 0,00058)<ref name="Grimm2018"/>
| period = 12,424305 (± 0,00000039)<ref name="Grimm2018"/> [[hari|h]]
| inclination = 89,721 (± 0,23)<ref name="Delrez2018">{{Cite journal|title=Early 2017 observations of TRAPPIST-1 with Spitzer |journal=Monthly Notices of the Royal Astronomical Society |volume=475 |issue=3 |pages=3577–3597 |arxiv=1801.02554 |first1=Laetitia |last1=Delrez |first2=Michael |last2=Gillon |first3=Amaury |last3=H.M.J |first4=Triaud |last4=Brice-Oliver Demory |first5=Julien |last5=de Wit |first6=James |last6=Ingalls |first7=Eric |last7=Agol |first8=Emeline |last8=Bolmont |first9=Artem |last9=Burdanov |first10=Adam J. |last10=Burgasser |first11=Sean J. |last11=Carey |first12=Emmanuel |last12=Jehin |first13=Jeremy |last13=Leconte |first14=Susan |last14=Lederer |first15=Didier |last15=Queloz |first16=Franck |last16=Selsis |first17=Valerie Van |last17=Grootel |doi=10.1093/mnras/sty051 |year=2018 }}</ref>
| star = [[TRAPPIST-1]]<ref name="vangrootel2017">{{Cite journal|title=Stellar parameters for TRAPPIST-1 |journal=The Astrophysical Journal |volume=853 |pages=30 |arxiv=1712.01911 |first1=Valerie |last1=Van Grootel |first2=Catarina S. |last2=Fernandes |first3=Michaël |last3=Gillon |first4=Emmanuel |last4=Jehin |first5=Richard |last5=Scuflaire |first6=Adam J. |last6=Burgasser |first7=Artem |last7=Burdanov |first8=Laetitia |last8=Delrez |first9=Brice-Olivier |last9=Demory |first10=Julien |last10=de Wit |first11=Didier |last11=Queloz |first12=Amaury H. M. J. |last12=Triaud |display-authors=5 |doi=10.3847/1538-4357/aaa023 |year=2018 }}</ref>
<!-- PHYS CHARS -->
| mean_radius = 1,148 {{±|0,032|0,033}}<ref name="Grimm2018"/> {{Earth radius|link=y}}
| mass = 1,148 {{±|0,098|0,095}}<ref name="Grimm2018"/> {{Earth mass|link=y}}
| density = 4,186 {{±|0,187|0,182}} [[gram|g]]/[[Sentimeter kubik|cm<sup>3</sup>]]
| surface_grav = 0,871 {{±|0,040|0,039}}<ref name="Grimm2018"/> [[Gravitasi|g]]
| single_temperature = {{convert|194.5 ± 2.7|K|C F}} (kesetimbangan)<ref name="Delrez2018"/>
<!-- ATMOSPHERE -->
<!-- NOTES -->
}}
[[Berkas:TRAPPIST-1g Artist's Impression.png|jmpl|250px|Penggambaran komputer atas TRAPPIST-1g.]]
▲'''TRAPPIST-1g''' adalah sebuah [[Planet luar surya|planet ekstrasurya]] yang mengorbit di sekitar bintang
== Lihat juga ==
* [[
* [[
== Referensi ==
{{reflist|30em}}
{{TRAPPIST-1}}
[[Kategori:Rasi bintang Aquarius]]
[[Kategori:Eksoplanet]]
[[Kategori:Planet luar surya]]
{{eksoplanet-stub}}
{{Astronomi-stub}}
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