GJ 720 A b
A confirmed exoplanet orbiting GJ 720 A.
Compared with Earth
- Mass
- About 14 times Earth's mass.
- Temperature
- About 128 °C (262 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 19 Earth days.
Planet
- Radius
- Unknown
- Mass
- 13.64 × Earth
- Density
- Unknown
- Equilibrium temperature
- 401 K
- Starlight received
- Unknown
- Orbital period
- 19.47 days
- Average distance from its star
- 0.119 AU
Star
- Host star
- GJ 720 A
- Spectral class
- M — red dwarf
- Surface temperature
- 3,837 K
- Radius
- 0.56 × Sun
- Mass
- 0.57 × Sun
- Age
- Unknown
System
- Distance from Earth
- 50.74 light-years (15.56 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2021
- Method
- Radial Velocity
- Facility
- Roque de los Muchachos Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.