CoRoT-9 b
A confirmed exoplanet orbiting CoRoT-9.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 267 times Earth's mass.
- Temperature
- About 147 °C (296 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 95 Earth days.
Planet
- Radius
- 11.95 × Earth
- Mass
- 267 × Earth
- Density
- 0.86 g/cm³
- Equilibrium temperature
- 420 K
- Starlight received
- Unknown
- Orbital period
- 95.27 days
- Average distance from its star
- 0.4021 AU
Star
- Host star
- CoRoT-9
- Spectral class
- G — sun-like
- Surface temperature
- 5,625 K
- Radius
- 0.96 × Sun
- Mass
- 0.96 × Sun
- Age
- 6 billion years
System
- Distance from Earth
- 1,347 light-years (413 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2009
- Method
- Transit
- Facility
- CoRoT
Data from the NASA Exoplanet Archive, synced October 14, 2026.