WASP-53 b
A confirmed exoplanet orbiting WASP-53.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 678 times Earth's mass.
- Temperature
- About 780 °C (1,436 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.3 Earth days.
Planet
- Radius
- 12.04 × Earth
- Mass
- 677.6 × Earth
- Density
- 2.28 g/cm³
- Equilibrium temperature
- 1,053 K
- Starlight received
- Unknown
- Orbital period
- 3.31 days
- Average distance from its star
- 0.04101 AU
Star
- Host star
- WASP-53
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,953 K
- Radius
- 0.798 × Sun
- Mass
- 0.839 × Sun
- Age
- Unknown
System
- Distance from Earth
- 656.7 light-years (201.3 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2017
- Method
- Transit
- Facility
- Multiple Facilities
Data from the NASA Exoplanet Archive, synced October 14, 2026.