CoRoT-18b
| Discovery | |
|---|---|
| Discovered by | CoRoT space telescope | 
| Transit | |
| Orbital characteristics | |
| 0.0295 AU (4,410,000 km) | |
| Eccentricity | 0-0.08 | 
| 1.9000693 d | |
| Inclination | 86.5 | 
| Star | CoRoT-18 | 
| Physical characteristics | |
| 1.31 RJ | |
| Mass | 3.47MJ | 
| Temperature | 1396 K | 
CoRoT-18b is a transiting hot Jupiter exoplanet found by the CoRoT space telescope in 2011. It orbits CoRoT-18 in the constellation of Monoceros. It is a G9V star with an effective temperature of 5,440 K (5,170 °C; 9,330 °F), a mass of 0.95 M☉, a radius of 1.00 R☉, and a near-solar metallicity. Its age is unknown. A 2021 study utilizing the Rossiter–McLaughlin effect has determined the planetary orbit is probably aligned with the rotational axis of the star, with a misalignment equal to -10±20°.