HAT-P-59 b
A confirmed exoplanet orbiting HAT-P-59.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 489 times Earth's mass.
- Temperature
- About 1,005 °C (1,840 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 441 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4.1 Earth days.
Planet
- Radius
- 12.59 × Earth
- Mass
- 489.5 × Earth
- Density
- 1.347 g/cm³
- Equilibrium temperature
- 1,278 K
- Starlight received
- 441.4 × Earth
- Orbital period
- 4.142 days
- Average distance from its star
- 0.05064 AU
Star
- Host star
- HAT-P-59
- Spectral class
- G — sun-like
- Surface temperature
- 5,678 K
- Radius
- 1.104 × Sun
- Mass
- 1.008 × Sun
- Age
- 7.3 billion years
System
- Distance from Earth
- 865.8 light-years (265.5 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.