GJ 514 b
A confirmed exoplanet orbiting GJ 514.
Compared with Earth
- Mass
- About 5.2 times Earth's mass.
- Temperature
- About -71 °C (-96 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 28% of the starlight Earth gets from the Sun.
- Year
- A year here lasts about 140 Earth days.
Planet
- Radius
- Unknown
- Mass
- 5.2 × Earth
- Density
- Unknown
- Equilibrium temperature
- 202 K
- Starlight received
- 0.28 × Earth
- Orbital period
- 140.4 days
- Average distance from its star
- 0.422 AU
Star
- Host star
- GJ 514
- Spectral class
- M — red dwarf
- Surface temperature
- 3,728 K
- Radius
- 0.5 × Sun
- Mass
- 0.51 × Sun
- Age
- 0.8 billion years
System
- Distance from Earth
- 24.85 light-years (7.618 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2022
- Method
- Radial Velocity
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.