WASP-31b
WASP-31b is a low-density (puffy) "hot Jupiter" extrasolar planet orbiting the metal-poor (63% of solar metallicity) dwarf star WASP-31. The exoplanet was discovered in 2010 by the WASP project. WASP-31b is in the constellation of Crater, and is about 1305 light-years (light travel distance) from Earth.
"Hot Jupiter" exoplanet WASP-31b (artist concept) | |
| Discovery | |
|---|---|
| Discovered by | Anderson, D.R. et al. |
| Discovery site | WASP |
| Discovery date | 2010 |
| Primary transit | |
| Orbital characteristics | |
| 0.04657±0.00034 AU | |
| Eccentricity | 0 |
| 3.40591 d | |
| Inclination | 84.54±0.027 |
| Star | WASP-31 |
| Physical characteristics | |
Mean radius | 1.537±0.06 RJ |
| Mass | 0.478±0.03 MJ |
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