HAT-P-64 b
A confirmed exoplanet orbiting HAT-P-64.
Compared with Earth
- Size
- About 19 times Earth's width.
- Mass
- About 184 times Earth's mass.
- Temperature
- About 1,493 °C (2,719 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 1,611 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4 Earth days.
Planet
- Radius
- 19.09 × Earth
- Mass
- 184.3 × Earth
- Density
- 0.144 g/cm³
- Equilibrium temperature
- 1,766 K
- Starlight received
- 1,611 × Earth
- Orbital period
- 4.007 days
- Average distance from its star
- 0.05387 AU
Star
- Host star
- HAT-P-64
- Spectral class
- F — yellow-white
- Surface temperature
- 6,457 K
- Radius
- 1.735 × Sun
- Mass
- 1.298 × Sun
- Age
- 2.88 billion years
System
- Distance from Earth
- 2,126 light-years (651.9 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.