GJ 15 A c
Nearby GJ 15 A c orbits a red-dwarf star just 11 light-years away with its companion, making them our nearest multi-planet neighbors discovered so far.
Planet Radius:
0.595 x Jupiter (estimate)
Planet Type:
- Neptune-like
Discovery Method:
- Radial Velocity
Planet Mass:
36 Earths
Discovery Date:
2018
Orbital Radius:
5.4 AU
Orbital Period:
20.8 years
Eccentricity:
0.27
