CoRoT-21 b
A confirmed exoplanet orbiting CoRoT-21.
Compared with Earth
- Size
- About 15 times Earth's width.
- Mass
- About 718 times Earth's mass.
- Year
- A year here lasts about 2.7 Earth days.
Planet
- Radius
- 14.57 × Earth
- Mass
- 718.3 × Earth
- Density
- 1.36 g/cm³
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 2.725 days
- Average distance from its star
- 0.0417 AU
Star
- Host star
- CoRoT-21
- Spectral class
- F — yellow-white
- Surface temperature
- 6,200 K
- Radius
- 1.95 × Sun
- Mass
- 1.29 × Sun
- Age
- 4.1 billion years
System
- Distance from Earth
- Unknown
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2012
- Method
- Transit
- Facility
- CoRoT
Data from the NASA Exoplanet Archive, synced October 14, 2026.