K2-21 b
K2-21 b is a Neptune-like exoplanet that orbits a K-type star. Its mass is 4.04 Earths, it takes 9.3 days to complete one orbit of its star, and is 0.076 AU from its star. Its discovery was announced in 2015.
Planet Radius:
1.84 x Earth
Planet Type:
- Neptune-like
Discovery Method:
- Transit
Planet Mass:
4.04 Earths
Discovery Date:
2015
Orbital Radius:
0.076 AU
Orbital Period:
9.3 days
Eccentricity:
0.1
