GJ 508.2 b
A confirmed exoplanet orbiting GJ 508.2.
Compared with Earth
- Mass
- About 588 times Earth's mass.
- Year
- A year here lasts about 15 Earth years.
Planet
- Radius
- Unknown
- Mass
- 588 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 5,300 days
- Average distance from its star
- 4.85 AU
Star
- Host star
- GJ 508.2
- Spectral class
- M — red dwarf
- Surface temperature
- 3,720 K
- Radius
- 0.53 × Sun
- Mass
- 0.54 × Sun
- Age
- Unknown
System
- Distance from Earth
- 54.26 light-years (16.64 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2025
- Method
- Radial Velocity
- Facility
- Calar Alto Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.