HATS-17 b
A confirmed exoplanet orbiting HATS-17.
Compared with Earth
- Size
- About 8.7 times Earth's width.
- Mass
- About 425 times Earth's mass.
- Temperature
- About 541 °C (1,006 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 73 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 16 Earth days.
Planet
- Radius
- 8.709 × Earth
- Mass
- 425.3 × Earth
- Density
- 3.5 g/cm³
- Equilibrium temperature
- 814 K
- Starlight received
- 72.7 × Earth
- Orbital period
- 16.25 days
- Average distance from its star
- 0.1308 AU
Star
- Host star
- HATS-17
- Spectral class
- G — sun-like
- Surface temperature
- 5,846 K
- Radius
- 1.091 × Sun
- Mass
- 1.131 × Sun
- Age
- 2.1 billion years
System
- Distance from Earth
- 1,306 light-years (400.3 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- HATSouth
Data from the NASA Exoplanet Archive, synced October 14, 2026.