GJ 876 b
A confirmed exoplanet orbiting GJ 876.
Compared with Earth
- Mass
- About 723 times Earth's mass.
- Year
- A year here lasts about 61 Earth days.
Planet
- Radius
- Unknown
- Mass
- 723.2 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 61.12 days
- Average distance from its star
- 0.2083 AU
Star
- Host star
- GJ 876
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- 0.3 × Sun
- Mass
- 0.32 × Sun
- Age
- 1 billion years
System
- Distance from Earth
- 15.25 light-years (4.675 parsecs)
- Stars in system
- 1
- Known planets
- 4
Discovery
- Year
- 1998
- Method
- Radial Velocity
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.