WASP-1 b
A confirmed exoplanet orbiting WASP-1.
Compared with Earth
- Size
- About 17 times Earth's width.
- Mass
- About 271 times Earth's mass.
- Year
- A year here lasts about 2.5 Earth days.
Planet
- Radius
- 16.62 × Earth
- Mass
- 271.4 × Earth
- Density
- 0.348 g/cm³
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 2.52 days
- Average distance from its star
- 0.03889 AU
Star
- Host star
- WASP-1
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- 1.47 × Sun
- Mass
- 1.24 × Sun
- Age
- 3.4 billion years
System
- Distance from Earth
- 1,282 light-years (393.1 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.