WASP-22b
WASP-22b, also named Koyopa', is an extrasolar planet orbiting the Sun-like star WASP-22 320 parsecs (1,000 ly) in the constellation Eridanus. This hot Jupiter has an orbit of 3.53 days and a mass of 0.617 MJ was detected by transit via SuperWASP. The system is a hierarchical triple system.
A comparison between the sizes of WASP-22b (right) and Jupiter | |
| Discovery | |
|---|---|
| Discovered by | Maxted, et al. |
| Discovery site | South African Astronomical Observatory |
| Discovery date | Published December 2010 |
| Transit photometry | |
| Orbital characteristics | |
| Epoch J2000 | |
| 0.04698 (± 0.00037) AU | |
| Eccentricity | 0.0 |
| 3.5327313 (± 5.8e-06) d | |
| Inclination | 88.26 (± 0.91) |
| Star | WASP-22 |
| Physical characteristics | |
Mean radius | 1.199 RJ |
| Mass | 0.617 MJ |
| Temperature | 1298 K |
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