CoRoT-4b

CoRoT-4b (formerly known as CoRoT-Exo-4b^[3]) is an extrasolar planet orbiting the star CoRoT-4. It is probably in synchronous orbit with stellar rotation.^[2] It was discovered by the French CoRoT mission in 2008.

CoRoT-4b

Size comparison of CoRoT-4b with Jupiter.
Discovery
Discovered by	Corot mission
Discovery site	Earth's orbit
Discovery date	2008
Detection method	Transit method
Orbital characteristics
Semi-major axis	0.090 ± 0.001 AU (13,460,000 ± 150,000 km)[1]
Eccentricity	0.0 ± 0.1[1]
Orbital period (sidereal)	9.20205 ± 0.00037[1] d
Inclination	90[2]
Semi-amplitude	63 ± 6[1]
Star	CoRoT-4
Physical characteristics
Mean radius	1.17+0.06 −0.05[1] RJ
Mass	0.72 ± 0.08[1] MJ
Mean density	0.525 ± 0.015 g/cm3[1]
Temperature	1074 ± 19 K[1]