SCIENCE ›

HD 156668 c is a Neptune-like exoplanet that orbits a K-type star. Its mass is 31.4968 Earths, it takes 2.2 years to complete one orbit of its star, and is 1.57 AU from its star. Its discovery was announced in 2021.

PLANET TYPE
Neptune-like
DISCOVERY DATE
2021
MASS
31.4968 Earths
PLANET RADIUS
0.55 x Jupiter
(estimate)
ORBITAL RADIUS
1.57 AU
ORBITAL PERIOD
2.2 years
ECCENTRICITY
0.09
DETECTION METHOD