GJ 414 A b
A confirmed exoplanet orbiting GJ 414 A.
Compared with Earth
- Size
- About 2.6 times Earth's width.
- Mass
- About 7.6 times Earth's mass.
- Temperature
- About 35 °C (96 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 51 Earth days.
Planet
- Radius
- 2.63 × Earth
- Mass
- 7.6 × Earth
- Density
- Unknown
- Equilibrium temperature
- 308.6 K
- Starlight received
- Unknown
- Orbital period
- 50.8 days
- Average distance from its star
- 0.2324 AU
Star
- Host star
- GJ 414 A
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,120 K
- Radius
- 0.68 × Sun
- Mass
- 0.65 × Sun
- Age
- 12.4 billion years
System
- Distance from Earth
- 38.78 light-years (11.89 parsecs)
- Stars in system
- 2
- Known planets
- 2
Discovery
- Year
- 2021
- Method
- Radial Velocity
- Facility
- W. M. Keck Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.