WASP-178 b
A confirmed exoplanet orbiting WASP-178.
Compared with Earth
- Size
- About 20 times Earth's width.
- Mass
- About 528 times Earth's mass.
- Temperature
- About 2,197 °C (3,986 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.3 Earth days.
Planet
- Radius
- 20.29 × Earth
- Mass
- 527.6 × Earth
- Density
- 0.37 g/cm³
- Equilibrium temperature
- 2,470 K
- Starlight received
- Unknown
- Orbital period
- 3.345 days
- Average distance from its star
- 0.0558 AU
Star
- Host star
- WASP-178
- Spectral class
- A — white
- Surface temperature
- 9,360 K
- Radius
- 1.67 × Sun
- Mass
- 2.07 × Sun
- Age
- Unknown
System
- Distance from Earth
- 1,395 light-years (427.7 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.