Gliese 48 b
A confirmed exoplanet orbiting Gliese 48.
Compared with Earth
- Mass
- About 8.1 times Earth's mass.
- Temperature
- About -2 °C (28 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 89% of the starlight Earth gets from the Sun.
- Year
- A year here lasts about 40 Earth days.
Planet
- Radius
- Unknown
- Mass
- 8.11 × Earth
- Density
- Unknown
- Equilibrium temperature
- 271 K
- Starlight received
- 0.89 × Earth
- Orbital period
- 39.63 days
- Average distance from its star
- 0.1752 AU
Star
- Host star
- Gliese 48
- Spectral class
- M — red dwarf
- Surface temperature
- 3,450 K
- Radius
- 0.463 × Sun
- Mass
- 0.47 × Sun
- Age
- Unknown
System
- Distance from Earth
- 26.85 light-years (8.234 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2026
- Method
- Radial Velocity
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.