WASP-102 b
A confirmed exoplanet orbiting WASP-102.
Compared with Earth
- Size
- About 15 times Earth's width.
- Mass
- About 198 times Earth's mass.
- Temperature
- About 1,398 °C (2,548 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 1,293 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.7 Earth days.
Planet
- Radius
- 14.91 × Earth
- Mass
- 197.7 × Earth
- Density
- 0.32 g/cm³
- Equilibrium temperature
- 1,671 K
- Starlight received
- 1,293 × Earth
- Orbital period
- 2.71 days
- Average distance from its star
- 0.041 AU
Star
- Host star
- WASP-102
- Spectral class
- G — sun-like
- Surface temperature
- 5,990 K
- Radius
- 1.375 × Sun
- Mass
- 1.08 × Sun
- Age
- 0.67 billion years
System
- Distance from Earth
- 1,747 light-years (535.7 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.