HATS-18 b
A confirmed exoplanet orbiting HATS-18.
Compared with Earth
- Size
- About 15 times Earth's width.
- Mass
- About 629 times Earth's mass.
- Temperature
- About 1,796 °C (3,265 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 20 hours.
Planet
- Radius
- 14.9 × Earth
- Mass
- 629.1 × Earth
- Density
- 1.117 g/cm³
- Equilibrium temperature
- 2,069 K
- Starlight received
- Unknown
- Orbital period
- 0.8378 days
- Average distance from its star
- 0.0174 AU
Star
- Host star
- HATS-18
- Spectral class
- G — sun-like
- Surface temperature
- 5,600 K
- Radius
- 1.02 × Sun
- Mass
- 1.037 × Sun
- Age
- Unknown
System
- Distance from Earth
- 2,036 light-years (624.4 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- Multiple Observatories
Data from the NASA Exoplanet Archive, synced October 14, 2026.