HD 158038 b

A confirmed exoplanet orbiting HD 158038.

Compared with Earth

Mass
About 486 times Earth's mass.
Year
A year here lasts about 1.4 Earth years.

Planet

Radius
Unknown
Mass
486.3 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
521 days
Average distance from its star
1.5 AU

Star

Host star
HD 158038
Spectral class
K — orange dwarf
Surface temperature
4,860 K
Radius
4.5 × Sun
Mass
1.3 × Sun
Age
Unknown

System

Distance from Earth
309.4 light-years (94.86 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2011
Method
Radial Velocity
Facility
W. M. Keck Observatory

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