HAT-P-57 b
A confirmed exoplanet orbiting HAT-P-57.
Compared with Earth
- Size
- About 20 times Earth's width.
- Mass
- About 448 times Earth's mass.
- Year
- A year here lasts about 2.5 Earth days.
Planet
- Radius
- 19.5 × Earth
- Mass
- 448.1 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 2.465 days
- Average distance from its star
- Unknown
Star
- Host star
- HAT-P-57
- Spectral class
- F — yellow-white
- Surface temperature
- 6,330 K
- Radius
- 1.85 × Sun
- Mass
- 2.77 × Sun
- Age
- Unknown
System
- Distance from Earth
- 912.8 light-years (279.9 parsecs)
- Stars in system
- 3
- Known planets
- 1
Discovery
- Year
- 2015
- Method
- Transit
- Facility
- HATNet
Data from the NASA Exoplanet Archive, synced October 14, 2026.