HATS-51 b
A confirmed exoplanet orbiting HATS-51.
Compared with Earth
- Size
- About 16 times Earth's width.
- Mass
- About 244 times Earth's mass.
- Temperature
- About 1,280 °C (2,336 °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
- 15.8 × Earth
- Mass
- 244.1 × Earth
- Density
- 0.34 g/cm³
- Equilibrium temperature
- 1,553 K
- Starlight received
- Unknown
- Orbital period
- 3.349 days
- Average distance from its star
- 0.04639 AU
Star
- Host star
- HATS-51
- Spectral class
- G — sun-like
- Surface temperature
- 5,758 K
- Radius
- 1.44 × Sun
- Mass
- 1.187 × Sun
- Age
- 4.74 billion years
System
- Distance from Earth
- 1,271 light-years (389.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2017
- Method
- Transit
- Facility
- HATSouth
Data from the NASA Exoplanet Archive, synced October 14, 2026.