WASP-172 b
A confirmed exoplanet orbiting WASP-172.
Compared with Earth
- Size
- About 18 times Earth's width.
- Mass
- About 149 times Earth's mass.
- Temperature
- About 1,467 °C (2,672 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 5.5 Earth days.
Planet
- Radius
- 17.6 × Earth
- Mass
- 149.4 × Earth
- Density
- 0.16 g/cm³
- Equilibrium temperature
- 1,740 K
- Starlight received
- Unknown
- Orbital period
- 5.477 days
- Average distance from its star
- 0.0694 AU
Star
- Host star
- WASP-172
- Spectral class
- F — yellow-white
- Surface temperature
- 6,900 K
- Radius
- 1.91 × Sun
- Mass
- 1.49 × Sun
- Age
- 1.79 billion years
System
- Distance from Earth
- 1,755 light-years (538.1 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- SuperWASP-South
Data from the NASA Exoplanet Archive, synced October 14, 2026.