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AsteriaStar
Mini-Neptune · GJ 338 B

GJ 338 B b

ExoplanetsDiscovered 2020

Scientific overview

GJ 338 B b is a mini-neptune orbiting GJ 338 B, completing an orbit every 24 days, about 21 light-years from Earth. It was discovered in 2020 using the radial velocity method.

Host star

Host star
GJ 338 B
Spectral type
M0 V
Temperature
4,014 K
Mass
0.64 M☉

Discovery and detection

Knowledge connections