WASP-2 b
A confirmed exoplanet orbiting WASP-2.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 296 times Earth's mass.
- Temperature
- About 1,038 °C (1,900 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 492 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.2 Earth days.
Planet
- Radius
- 12.12 × Earth
- Mass
- 295.9 × Earth
- Density
- 0.914 g/cm³
- Equilibrium temperature
- 1,311 K
- Starlight received
- 492 × Earth
- Orbital period
- 2.152 days
- Average distance from its star
- 0.03144 AU
Star
- Host star
- WASP-2
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,180 K
- Radius
- 0.866 × Sun
- Mass
- 0.895 × Sun
- Age
- Unknown
System
- Distance from Earth
- 499.8 light-years (153.2 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2007
- Method
- Transit
- Facility
- SuperWASP
Data from the NASA Exoplanet Archive, synced October 14, 2026.