HD 137388 b

A confirmed exoplanet orbiting HD 137388.

Compared with Earth

Mass
About 64 times Earth's mass.
Year
A year here lasts about 330 Earth days.

Planet

Radius
Unknown
Mass
63.57 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
330 days
Average distance from its star
0.89 AU

Star

Host star
HD 137388
Spectral class
K — orange dwarf
Surface temperature
5,181 K
Radius
0.88 × Sun
Mass
0.68 × Sun
Age
Unknown

System

Distance from Earth
132 light-years (40.48 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2011
Method
Radial Velocity
Facility
La Silla Observatory

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