HD 40307 b
HD 40307 b is a super Earth exoplanet that orbits a K-type star. Its mass is 4 Earths, it takes 4.3 days to complete one orbit of its star, and is 0.0468 AU from its star. Its discovery was announced in 2009.
Planet Radius:
1.83 x Earth (estimate)
Planet Type:
- Super Earth
Discovery Method:
- Radial Velocity
Planet Mass:
4 Earths
Discovery Date:
2009
Orbital Radius:
0.0468 AU
Orbital Period:
4.3 days
Eccentricity:
0.2
