Gliese 12 b
A confirmed exoplanet orbiting Gliese 12.
Compared with Earth
- Size
- About 93% of Earth's width.
- Mass
- About 95% of Earth's mass.
- Year
- A year here lasts about 13 Earth days.
Planet
- Radius
- 0.93 × Earth
- Mass
- 0.95 × Earth
- Density
- 6.4 g/cm³
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 12.76 days
- Average distance from its star
- Unknown
Star
- Host star
- Gliese 12
- Spectral class
- M — red dwarf
- Surface temperature
- 3,328 K
- Radius
- 0.265 × Sun
- Mass
- 0.255 × Sun
- Age
- 7 billion years
System
- Distance from Earth
- 39.82 light-years (12.21 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2024
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.