HAT-P-63 b
A confirmed exoplanet orbiting HAT-P-63.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 195 times Earth's mass.
- Temperature
- About 964 °C (1,767 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 387 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.4 Earth days.
Planet
- Radius
- 12.54 × Earth
- Mass
- 195.1 × Earth
- Density
- 0.54 g/cm³
- Equilibrium temperature
- 1,237 K
- Starlight received
- 387.4 × Earth
- Orbital period
- 3.378 days
- Average distance from its star
- 0.04294 AU
Star
- Host star
- HAT-P-63
- Spectral class
- G — sun-like
- Surface temperature
- 5,400 K
- Radius
- 0.9661 × Sun
- Mass
- 0.925 × Sun
- Age
- 9 billion years
System
- Distance from Earth
- 1,316 light-years (403.5 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2021
- Method
- Transit
- Facility
- HATNet
Data from the NASA Exoplanet Archive, synced October 14, 2026.