Exoplanet TRAPPIST-1 b
Exoplanet TRAPPIST-1 b orbits star TRAPPIST-1 that lies 41 light years away from the Sun.
It weighs about 0.9 Earth masses and orbits its star much closer than Earth orbits Sun.
41 light years
Exoplanet, rocky planet
Distance from the star: 0.01154
Orbit around star: 1.510870
R Earth | 0.1
kg/m3 | 67
K | 230
Year of discovery: 2016
Comparison to the Solar system planets
(90 % Earth mass)
(108.6 % Earth radius)
(94 % Mars density)
(3 % Mercury distance)
Other designations of this exoplanet
2MASS J23062928-0502285 b, 2MASSI J2306292-050227 b, 2MASSW J2306292-050227 b, 2MUDC 12171 b, K2-112 b, TIC 278892590 b, WISEA J230630.02-050234.1 b, EPIC 200164267 b
Exoplanets around star TRAPPIST-1
Exoplanet TRAPPIST-1 b orbits star Class red dwarf TRAPPIST-1, which has much lower mass than Sun. It is one of 7 known exoplanets orbiting this star.
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