| Proper Name | None | | Designations | TRAPPIST-1 b, 2MASS J23062928-0502285 b, K2-112 b, EPIC 246199087 b | | Classification | Earth-mass planet | | Orbital Period | 1 day, 12 hours | | Mean Distance from TRAPPIST-1 | 1.7 million km
0.01 AU | | Mass | 1.0 x Earth | | Diameter | 1.1 x Earth | | Temperature | 400 K (127°C) | | Parent star | TRAPPIST-1, red dwarf star in Aquarius | | Other planets in this system | TRAPPIST-1 c, Earth-mass planet
TRAPPIST-1 d, Earth-mass planet
TRAPPIST-1 e, Earth-mass planet
TRAPPIST-1 f, Earth-mass planet
TRAPPIST-1 g, Earth-mass planet
TRAPPIST-1 h, Earth-mass planet |
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