HD 158259 d is a Neptune-like exoplanet that orbits a G-type star. Its mass is 5.41 Earths and it takes 5.2 days to complete one orbit of its star. Its discovery was announced in 2020.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2020
MASS
5.41 Earths
PLANET RADIUS
2.18 x Earth
(estimate)
ORBITAL RADIUS
Unknown
ORBITAL PERIOD
5.2 days
ECCENTRICITY
0.0
DETECTION METHOD