WASP-33b
Photo and light curve of the star HD 15082 (red crosshairs) as exoplanet WASP-33b transits | |
| Discovery | |
|---|---|
| Discovered by | WASP |
| Discovery date | 2010 |
| Transit | |
| Orbital characteristics | |
| 0.02555 ± 0.00017 AU (3,822,200 ± 25,432 km) | |
| 1.21987089 ± 0.00000015 days (105,396.845 ± 0.013 s; 29.2769014 ± 3.6×10−6 h) | |
| Inclination | 87.67±1.81° |
| Semi-amplitude | 0.59 km/s (1,300 mph) |
| Star | HD 15082 |
| Physical characteristics | |
| 1.497±0.095 RJ | |
| Mass | 2.81±0.53 MJ |
| Albedo | 0.369±0.050 |
| Temperature | 2,710 ± 50 K (2,440 ± 50.0 °C; 4,420 ± 90.0 °F) |
WASP-33b is an extrasolar planet orbiting the star HD 15082. It was the first planet discovered to orbit a Delta Scuti variable star. With a semimajor axis of 0.026 AU (3.9 million km; 2.4 million mi) and a mass likely greater than Jupiter's, it belongs to the hot Jupiter class of planets.