Exoplanet Proxima Centauri b
Exoplanet Proxima Centauri b orbits star Proxima Centauri that lies 4 light years away from the Sun.
It weighs about 1.2 Earth masses and orbits its star much closer than Earth orbits Sun.
4 light years
Proxima Centauri b
Exoplanet, rocky planet
Distance from the star: 0.05
Orbit around star: 11.18427
R Earth | 0.1
kg/m3 | 88
K | -39
Year of discovery: 2016
Comparison to the Solar system planets
(120 % Earth mass)
(110 % Earth radius)
(124 % Mars density)
(13 % Mercury distance)
Other designations of this exoplanet
Alpha Centauri C b, CCDM J14396-6050C b, GCTP 3278.00 b, Gliese 551 b, HIP 70890 b, LFT 1110 b, LHS 49 b, LPM 526 b, LTT 5721 b, NLTT 37460 b, V645 Centauri b
Exoplanets around star Proxima Centauri
Exoplanet Proxima Centauri b orbits star Class red dwarf Proxima Centauri, which has much lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
Star Proxima Centauri
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