WASP-104 b
A confirmed exoplanet orbiting WASP-104.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 404 times Earth's mass.
- Temperature
- About 1,243 °C (2,269 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 1.8 Earth days.
Planet
- Radius
- 12.75 × Earth
- Mass
- 404.3 × Earth
- Density
- 1.074 g/cm³
- Equilibrium temperature
- 1,516 K
- Starlight received
- Unknown
- Orbital period
- 1.755 days
- Average distance from its star
- 0.02918 AU
Star
- Host star
- WASP-104
- Spectral class
- G — sun-like
- Surface temperature
- 5,475 K
- Radius
- 0.963 × Sun
- Mass
- 1.076 × Sun
- Age
- 3 billion years
System
- Distance from Earth
- 606.4 light-years (185.9 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2014
- Method
- Transit
- Facility
- SuperWASP
Data from the NASA Exoplanet Archive, synced October 14, 2026.