HD 29399 b

A confirmed exoplanet orbiting HD 29399.

Compared with Earth

Mass
About 499 times Earth's mass.
Year
A year here lasts about 2.4 Earth years.

Planet

Radius
Unknown
Mass
499 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
892.7 days
Average distance from its star
1.913 AU

Star

Host star
HD 29399
Spectral class
K — orange dwarf
Surface temperature
4,845 K
Radius
4.5 × Sun
Mass
1.17 × Sun
Age
6.2 billion years

System

Distance from Earth
144 light-years (44.15 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2022
Method
Radial Velocity
Facility
La Silla Observatory

Data from the NASA Exoplanet Archive, synced October 14, 2026.