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cool red dwarf · M

LHS 1903

LHS 1903 is a cool red dwarf 116 light-years from Earth, with a temperature of 3,664 K, 0.54 times the Sun's mass and an age of about 7.1 billion years. It has 4 known planets.

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Planets
4 
Distance
116 light-years35.7 pc
Star
3,664 K0.54 R☉

About this system

The innermost, LHS 1903 b, circles it in 2.16 days; the outermost, LHS 1903 e, in 29.3 days.

Worlds of LHS 1903

NameTypeSizeA yearTemperature
LHS 1903 bSuper-Earth 1.4 × Earth2.16 days796 K
LHS 1903 cSub-Neptune 2 × Earth6.23 days559 K
LHS 1903 dSub-Neptune 2.5 × Earth12.6 days442 K
LHS 1903 eSuper-Earth 1.7 × Earth29.3 days333 K