 Size comparison of WASP-1b with Jupiter | |
| Discovery | |
|---|---|
| Discovered by | Cameron et al. (SuperWASP and SOPHIE)  South Africaand  France |
| Discovery site | SAAO |
| Discovery date | September 25, 2006 |
| Transit | |
| Orbital characteristics | |
| 0.0382 (± 0.0013) AU | |
| Eccentricity | 0 |
| 2.5199464 (± 8e-07) d | |
| Inclination | 88.65 (± 0.55) |
| Star | WASP-1 |
| Physical characteristics | |
| 1.484 +0.06 −0.09 RJ | |
| Mass | 0.86 ± 0.07 MJ |
Mean density | 0.476 g/cm3[citation needed] |
| 12.5 m/s2 (41 ft/s2) 1.27 g | |
| Temperature | 1,800 K |
WASP-1b is an extrasolar planet orbiting the star WASP-1 located 1,300 light-years away in the constellation Andromeda.