GJ 806 b
A confirmed exoplanet orbiting GJ 806.
Compared with Earth
- Size
- About 1.3 times Earth's width.
- Mass
- About 1.9 times Earth's mass.
- Temperature
- About 667 °C (1,232 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 130 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 22 hours.
Planet
- Radius
- 1.331 × Earth
- Mass
- 1.9 × Earth
- Density
- 4.4 g/cm³
- Equilibrium temperature
- 940 K
- Starlight received
- 130 × Earth
- Orbital period
- 0.9263 days
- Average distance from its star
- 0.01406 AU
Star
- Host star
- GJ 806
- Spectral class
- M — red dwarf
- Surface temperature
- 3,600 K
- Radius
- 0.4144 × Sun
- Mass
- 0.413 × Sun
- Age
- 5 billion years
System
- Distance from Earth
- 39.28 light-years (12.04 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2023
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.