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Proper NameNone
DesignationsProxima Centauri d, Proxima d, Alpha Centauri C d, Gliese 551 d
ClassificationEarth-mass planet (sub-Earth)
Orbital Period5 days, 3 hours
Mean Distance from Proxima Centauri4.3 million km
0.03 AU
Mass0.26 x Earth
DiameterNot known
TemperatureNot known
Parent starProxima Centauri, red dwarf in Centaurus
Other planets in this systemProxima Centauri b, Earth-mass planet
Proxima Centauri c, super Earth or ice giant (unconfirmed)

Imagery provided by Aladin sky atlas

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