CoRoT-2b
CoRoT-2b (formerly known as CoRoT-Exo-2b) is the second extrasolar planet to be detected by the French-led CoRoT mission, and orbits the star CoRoT-2 at a distance of 700 light years from Earth towards the constellation Aquila. Its discovery was announced on 20 December 2007. After its discovery via the transit method, its mass was confirmed via the radial velocity method.
Size comparison of CoRoT-2b with Jupiter. | |
| Discovery | |
|---|---|
| Discovered by | CoRoT mission |
| Discovery site | Earth's orbit |
| Discovery date | 2007-12-??, announced 2007-12-20 |
| Transit method | |
| Orbital characteristics | |
| 0.0281 ± 0.0005 AU (4,204,000 ± 75,000 km) | |
| Eccentricity | 0 (assumed) |
| 1.74299705(15) d | |
| Inclination | 87.84 ± 0.10 |
| Star | CoRoT-2 |
| Physical characteristics | |
Mean radius | 1.429 ± 0.047 RJ |
| Mass | 3.31 ± 0.16 MJ |
Mean density | 1,310 ± 40 kg/m3 (2,208 ± 67 lb/cu yd) |
| 38.2 m/s2 (125 ft/s2) | |
| Albedo | <0.12 |
| Temperature | 1537 ± 35 |
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