WASP-155 b
A confirmed exoplanet orbiting WASP-155.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 277 times Earth's mass.
- Temperature
- About 1,195 °C (2,183 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 771 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.1 Earth days.
Planet
- Radius
- 13.45 × Earth
- Mass
- 276.8 × Earth
- Density
- 0.62 g/cm³
- Equilibrium temperature
- 1,468 K
- Starlight received
- 771 × Earth
- Orbital period
- 3.11 days
- Average distance from its star
- 0.043 AU
Star
- Host star
- WASP-155
- Spectral class
- G — sun-like
- Surface temperature
- 5,660 K
- Radius
- 1.24 × Sun
- Mass
- 1.09 × Sun
- Age
- 1.7 billion years
System
- Distance from Earth
- 1,303 light-years (399.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2025
- Method
- Transit
- Facility
- SuperWASP
Data from the NASA Exoplanet Archive, synced October 14, 2026.