WASP-171 b
A confirmed exoplanet orbiting WASP-171.
Compared with Earth
- Size
- About 11 times Earth's width.
- Mass
- About 345 times Earth's mass.
- Temperature
- About 1,369 °C (2,496 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.8 Earth days.
Planet
- Radius
- 10.98 × Earth
- Mass
- 344.5 × Earth
- Density
- 1.5 g/cm³
- Equilibrium temperature
- 1,642 K
- Starlight received
- Unknown
- Orbital period
- 3.819 days
- Average distance from its star
- 0.0504 AU
Star
- Host star
- WASP-171
- Spectral class
- G — sun-like
- Surface temperature
- 5,965 K
- Radius
- 1.637 × Sun
- Mass
- 1.171 × Sun
- Age
- 5.908 billion years
System
- Distance from Earth
- 2,472 light-years (757.8 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- WASP-South
Data from the NASA Exoplanet Archive, synced October 14, 2026.