Kepler-1638 b is a Neptune-like exoplanet that orbits a G-type star. Its mass is 4.16 Earths, it takes 259.3 days to complete one orbit of its star, and is 0.745 AU from its star. Its discovery was announced in 2016.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2016
MASS
4.16 Earths
PLANET RADIUS
1.87 x Earth
ORBITAL RADIUS
0.745 AU
ORBITAL PERIOD
259.3 days
ECCENTRICITY
0.0
DETECTION METHOD