WASP-9 b
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| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | WASP-9 | |
| Right ascension | (α) | h m s |
| Declination | (δ) | ° ′ ″ |
| Distance | 450 ly (140 pc) | |
| Spectral type | G0 | |
| Orbital elements | ||
| Semimajor axis | (a) | 0.0311 AU |
| Orbital period | (P) | 1.99 d |
| Physical characteristics | ||
| Mass | (m) | 2.3 MJ |
| Radius | (r) | 1.3 RJ |
| Temperature | (T) | 2400 K |
| Discovery information | ||
| Discovery date | April 1, 2008 | |
| Discoverer(s) | Cameron et al. (SuperWASP) | |
| Detection method | Transit | |
| Discovery status | Published | |
WASP-9b is an extrasolar planet discovered in 2008.
