HATS-39 b
A confirmed exoplanet orbiting HATS-39.
Compared with Earth
- Size
- About 18 times Earth's width.
- Mass
- About 200 times Earth's mass.
- Temperature
- About 1,372 °C (2,501 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 4.6 Earth days.
Planet
- Radius
- 17.6 × Earth
- Mass
- 200.2 × Earth
- Density
- 0.202 g/cm³
- Equilibrium temperature
- 1,645 K
- Starlight received
- Unknown
- Orbital period
- 4.578 days
- Average distance from its star
- 0.06007 AU
Star
- Host star
- HATS-39
- Spectral class
- F — yellow-white
- Surface temperature
- 6,572 K
- Radius
- 1.621 × Sun
- Mass
- 1.379 × Sun
- Age
- 2.06 billion years
System
- Distance from Earth
- 2,865 light-years (878.5 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- HATSouth
Data from the NASA Exoplanet Archive, synced October 14, 2026.