HD 191939 d is a Neptune-like exoplanet that orbits a G-type star. Its mass is 10.1 Earths, it takes 38.4 days to complete one orbit of its star, and is 0.215 AU from its star. Its discovery was announced in 2020.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2020
MASS
10.1 Earths
PLANET RADIUS
0.282 x Jupiter
ORBITAL RADIUS
0.215 AU
ORBITAL PERIOD
38.4 days
ECCENTRICITY
0.0
DETECTION METHOD