SCIENCE ›

HD 28109 d is a Neptune-like exoplanet that orbits an F-type star. Its mass is 5.681 Earths, it takes 84.3 days to complete one orbit of its star, and is 0.411 AU from its star. Its discovery was announced in 2022.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2022
MASS
5.681 Earths
PLANET RADIUS
0.29 x Jupiter
ORBITAL RADIUS
0.411 AU
ORBITAL PERIOD
84.3 days
ECCENTRICITY
< 0.0864
DETECTION METHOD