CoRoT-4 b

A confirmed exoplanet orbiting CoRoT-4.

Compared with Earth

Size
About 13 times Earth's width.
Mass
About 229 times Earth's mass.
Temperature
About 801 °C (1,474 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 9.2 Earth days.

Planet

Radius
13.34 × Earth
Mass
228.8 × Earth
Density
0.525 g/cm³
Equilibrium temperature
1,074 K
Starlight received
Unknown
Orbital period
9.202 days
Average distance from its star
0.09 AU

Star

Host star
CoRoT-4
Spectral class
F — yellow-white
Surface temperature
6,190 K
Radius
1.17 × Sun
Mass
1.16 × Sun
Age
1 billion years

System

Distance from Earth
2,369 light-years (726.4 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2008
Method
Transit
Facility
CoRoT

Data from the NASA Exoplanet Archive, synced October 14, 2026.