Exoplanet · Gliese 229
GJ 229 A c
Orbit0.38 AU
Year121.9 days
Mass≥ 8.58 M⊕
Temperature~188 K (estimated)
It circles Gliese 229 once every 121.9 days, 0.38 AU out.
Found in 2020 by the radial velocity method, which measures the star's wobble. That gives a minimum mass, so it could be heavier.
Sources
See it in 3D →13point8 is an independent educational project. Every fact links to its source; send corrections to [email protected]. Privacy