cool red dwarf · M1

GJ 15 A

GJ 15 A is a cool red dwarf 11.6 light-years from Earth, with a temperature of 3,607 K and 0.38 times the Sun's mass. It has 2 known planets.

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About this system

The innermost, GJ 15 A b, circles it in 11.4 days; the outermost, GJ 15 A c, in 20.8 years.

Name	Type	Size	A year	Temperature
GJ 15 A b	Super-Earth	1.6 × Earth	11.4 days	550 K
GJ 15 A c	Neptune-like	0.6 × Jupiter	20.8 years	46 K