CoRoT-23b

CoRoT-23b is a transiting Hot Jupiter exoplanet found by the CoRoT space telescope in 2011.

CoRoT-23b

Discovery
Discovered by	CoRoT space telescope
Detection method	Transit
Orbital characteristics
Semi-major axis	0.0477 AU (7,140,000 km)[1]
Eccentricity	0.16
Orbital period (sidereal)	3.6314 d
Inclination	85.7
Star	CoRoT-23
Physical characteristics
Mean radius	1.08 RJ
Mass	2.8MJ
Temperature	1509 K[2]

Host star

Main article: CoRoT-23

CoRoT-23b orbits CoRoT-23 in the constellation of Serpens. It is a G0V star with an effective temperature of 5,900 K (5,630 °C; 10,160 °F), a mass of 1.14 M_☉, a radius of 1.61 R_☉, and a near-solar metallicity of 0.05±0.1.^[a] Its age is 6.2 - 8.2 Gyr.^[3]

Orbit

The planet may be in an unstable orbit and subject to a merger with the host star in the future.^[3]

Footnotes

1. This means that CoRoT-23 is 1.12+0.30
   −0.23 times richer in iron than the Sun.