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Luyten 375-2 b

LHS 1678 b, TOI-696 b

Extrasolar planet in Caelum

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Proper Name	None
Designations	Luyten 375-2 b, LHS 1678 b, TOI-696 b
Classification	Earth-mass planet (sub-Earth)
Orbital Period	20 hours, 39 minutes
Mean Distance from Luyten 375-2	1.9 million km 0.0125 AU
Mass	0.06 x Earth
Diameter	0.68 x Earth
Temperature	Not known
Parent star	Luyten 375-2, red dwarf in Caelum
Other planets in this system	Luyten 375-2 c, Earth-mass planet TOI-606.03, unconfirmed exoplanet
Notes	This small rocky body closely orbits the red dwarf Luyten 375-2, 65 light years from the Sun in the constellation of Caelum. Luyten 375-2 b is notable as one of the smallest and least massive exoplanets so far discovered, and while estimates vary slightly, the planet is approximately comparable with Mars in terms of mass and diameter.

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