Trappist1E Mission Spaceflight simulator
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TRAPPIST-1e, also designated as 2MASS J23062928-0502285 e, is a solid, close-to-Earth-sized exoplanet orbiting within the habitable zone around the ultracool dwarf star TRAPPIST-1 approximately 40 light-years away from Earth in the constellation of Aquarius.
Distance to Earth: 39.46 light years
Discovered: 22 February 2017
Gravity: 9.12 m/s²
Mean radius: 0.910+0.027; −0.026 R🜨
Star: TRAPPIST-1
Temperature: Teq: 246.1 ± 3.5 K (−27.05 ± 3.50 °C; −16.69 ± 6.30 °F)
Discoverer: Michaël Gillon
Atmosphere
TRAPPIST-1e is confirmed to have a compact, hydrogen-free atmosphere like those of our Solar System's rocky planets, further raising the chances of habitability. Hydrogen is a powerful greenhouse gas, so if there was enough to be easily detected, it would mean that the surface of TRAPPIST-1e would be inhospitable.