GJ 1148 b
A confirmed exoplanet orbiting GJ 1148.
Compared with Earth
- Mass
- About 97 times Earth's mass.
- Year
- A year here lasts about 41 Earth days.
Planet
- Radius
- Unknown
- Mass
- 96.7 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 41.38 days
- Average distance from its star
- 0.166 AU
Star
- Host star
- GJ 1148
- Spectral class
- M — red dwarf
- Surface temperature
- 3,287 K
- Radius
- 0.3585 × Sun
- Mass
- 0.344 × Sun
- Age
- Unknown
System
- Distance from Earth
- 35.92 light-years (11.01 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2010
- Method
- Radial Velocity
- Facility
- W. M. Keck Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.