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AsteriaStar
Mini-Neptune · GJ 436

GJ 436 b

ExoplanetsDiscovered 2004

Scientific overview

GJ 436 b is a mini-neptune orbiting GJ 436, completing an orbit every 3 days, about 32 light-years from Earth. It was discovered in 2004 using the radial velocity method.

Host star

Host star
GJ 436
Spectral type
M2.5 V
Temperature
3,586 K
Mass
0.47 M☉

Discovery and detection

Knowledge connections