WASP-173 A b
A confirmed exoplanet orbiting WASP-173 A.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 1,173 times Earth's mass.
- Temperature
- About 1,607 °C (2,924 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 1.4 Earth days.
Planet
- Radius
- 13.45 × Earth
- Mass
- 1,173 × Earth
- Density
- 2.84 g/cm³
- Equilibrium temperature
- 1,880 K
- Starlight received
- Unknown
- Orbital period
- 1.387 days
- Average distance from its star
- 0.0248 AU
Star
- Host star
- WASP-173 A
- Spectral class
- G — sun-like
- Surface temperature
- 5,800 K
- Radius
- 1.11 × Sun
- Mass
- 1.05 × Sun
- Age
- 6.78 billion years
System
- Distance from Earth
- 759.9 light-years (233 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- SuperWASP-South
Data from the NASA Exoplanet Archive, synced October 14, 2026.