WASP-177 b
A confirmed exoplanet orbiting WASP-177.
Compared with Earth
- Size
- About 18 times Earth's width.
- Mass
- About 161 times Earth's mass.
- Temperature
- About 869 °C (1,596 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.1 Earth days.
Planet
- Radius
- 17.71 × Earth
- Mass
- 161.5 × Earth
- Density
- 0.172 g/cm³
- Equilibrium temperature
- 1,142 K
- Starlight received
- Unknown
- Orbital period
- 3.072 days
- Average distance from its star
- 0.03957 AU
Star
- Host star
- WASP-177
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,017 K
- Radius
- 0.885 × Sun
- Mass
- 0.876 × Sun
- Age
- 9.7 billion years
System
- Distance from Earth
- 576.7 light-years (176.8 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- SuperWASP
Data from the NASA Exoplanet Archive, synced October 14, 2026.