Exoplanet HD 212729 b
Exoplanet HD 212729 b orbits star HD 212729 that lies 421 light years away from the Sun.
It weighs about 16.9 Earth masses and orbits its star much closer than Earth orbits Sun.
421 light years
HD 212729 b
Distance from the star: 0.09103
Orbit around star: 9.13966
R Earth | 0.3
kg/m3 | 72
K | 862
Year of discovery: 2023
Comparison to the Solar system planets
(99 % Neptune mass)
(74 % Neptune radius)
(100 % Mars density)
(23 % Mercury distance)
Other designations of this exoplanet
TOI-1052 b, 2MASS 22300272-7538476 b
Exoplanets around star HD 212729
Exoplanet HD 212729 b orbits star Class yellow-white star HD 212729, which has bigger mass than Sun. It is one of 2 known exoplanets orbiting this star.
Star HD 212729
Get your next news from nearby stars
This is a new project, and partly still in development. There will be soon more information and functions. We would love your support on social media.