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cool red dwarf · M3.0V

GJ 251

GJ 251 is a cool red dwarf 18.2 light-years from Earth, with a temperature of 3,342 K, 0.35 times the Sun's mass and an age of about 6.8 billion years. It has 2 known planets.

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Planets
2 
Distance
18.2 light-years5.58 pc
Star
3,342 K0.36 R☉

About this system

The innermost, GJ 251 b, circles it in 14.2 days; the outermost, GJ 251 c, in 53.6 days. One of them lies in the habitable zone: GJ 251 c.

Worlds of GJ 251

NameTypeSizeA yearTemperature
GJ 251 bSuper-Earth 1.8 × Earth14.2 days336 K
GJ 251 cSuper-Earth 1.8 × Earth53.6 days216 K