HD 153557 b is a Neptune-like exoplanet that orbits a K-type star. Its mass is 20.05856 Earths, it takes 7.3 days to complete one orbit of its star, and is 0.068049 AU from its star. Its discovery was announced in 2022.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2022
MASS
20.05856 Earths
PLANET RADIUS
0.422 x Jupiter
(estimate)
ORBITAL RADIUS
0.068049 AU
ORBITAL PERIOD
7.3 days
ECCENTRICITY
0.07
DETECTION METHOD