HD 153557 c is a Neptune-like exoplanet that orbits a K-type star. Its mass is 17.48056 Earths, it takes 15.3 days to complete one orbit of its star, and is 0.111 AU from its star. Its discovery was announced in 2022.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2022
MASS
17.48056 Earths
PLANET RADIUS
0.389 x Jupiter
(estimate)
ORBITAL RADIUS
0.111 AU
ORBITAL PERIOD
15.3 days
ECCENTRICITY
0.51
DETECTION METHOD