CoRoT-18b is a transiting

exoplanet An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917 but was not recognized as such. The first confirmation of detection occurred in 1992. A different planet, init ...

found by the CoRoT space telescope in 2011. It is a hot

Jupiter Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined, but ...

-sized planet orbiting a G9V star with T_e = 5440K, M = 0.95 M_☉, R = 1.00 R_☉, and near-solar metallicity. Its age is unknown. The study in 2012, utilizing a Rossiter–McLaughlin effect, have determined the planetary orbit is probably aligned with the rotational axis of the star, misalignment equal to -10°.

References

{{Exoplanet-stub Hot Jupiters Transiting exoplanets Exoplanets discovered in 2011 18b