HAT-P-18 b
A confirmed exoplanet orbiting HAT-P-18.
Compared with Earth
- Size
- About 11 times Earth's width.
- Mass
- About 56 times Earth's mass.
- Year
- A year here lasts about 5.5 Earth days.
Planet
- Radius
- 10.7 × Earth
- Mass
- 55.52 × Earth
- Density
- 0.249 g/cm³
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 5.508 days
- Average distance from its star
- Unknown
Star
- Host star
- HAT-P-18
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- Unknown
- Mass
- Unknown
- Age
- Unknown
System
- Distance from Earth
- 526.4 light-years (161.4 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2010
- Method
- Transit
- Facility
- HATNet
Data from the NASA Exoplanet Archive, synced October 14, 2026.