HD 191939 d is a Neptune-like exoplanet that orbits a G-type star. Its mass is 5.8 Earths, it takes 38.4 days to complete one orbit of its star, and is 0.207 AU from its star. Its discovery was announced in 2020.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2020
MASS
5.8 Earths
PLANET RADIUS
0.271 x Jupiter
ORBITAL RADIUS
0.207 AU
ORBITAL PERIOD
38.4 days
ECCENTRICITY
0.0
DETECTION METHOD