WASP-103 b
A confirmed exoplanet orbiting WASP-103.
Compared with Earth
- Size
- About 17 times Earth's width.
- Mass
- About 474 times Earth's mass.
- Temperature
- About 2,235 °C (4,055 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 22 hours.
Planet
- Radius
- 17.13 × Earth
- Mass
- 473.5 × Earth
- Density
- 0.55 g/cm³
- Equilibrium temperature
- 2,508 K
- Starlight received
- Unknown
- Orbital period
- 0.9255 days
- Average distance from its star
- 0.01985 AU
Star
- Host star
- WASP-103
- Spectral class
- F — yellow-white
- Surface temperature
- 6,110 K
- Radius
- 1.436 × Sun
- Mass
- 1.22 × Sun
- Age
- 4 billion years
System
- Distance from Earth
- 1,225 light-years (375.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2014
- Method
- Transit
- Facility
- SuperWASP
Data from the NASA Exoplanet Archive, synced October 14, 2026.