HD 20781 d is a Neptune-like exoplanet that orbits a G-type star. Its mass is 10.61 Earths, it takes 29.2 days to complete one orbit of its star, and is 0.1647 AU from its star. Its discovery was announced in 2019.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2019
MASS
10.61 Earths
PLANET RADIUS
0.29 x Jupiter
(estimate)
ORBITAL RADIUS
0.1647 AU
ORBITAL PERIOD
29.2 days
ECCENTRICITY
0.11
DETECTION METHOD
Radial Velocity