HAT-P-38 b
A confirmed exoplanet orbiting HAT-P-38.
Compared with Earth
- Size
- About 9.2 times Earth's width.
- Mass
- About 85 times Earth's mass.
- Temperature
- About 809 °C (1,488 °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
- 9.247 × Earth
- Mass
- 84.86 × Earth
- Density
- 0.59 g/cm³
- Equilibrium temperature
- 1,082 K
- Starlight received
- Unknown
- Orbital period
- 4.64 days
- Average distance from its star
- 0.0523 AU
Star
- Host star
- HAT-P-38
- Spectral class
- G — sun-like
- Surface temperature
- 5,330 K
- Radius
- 0.923 × Sun
- Mass
- 0.886 × Sun
- Age
- Unknown
System
- Distance from Earth
- 832.4 light-years (255.2 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2012
- Method
- Transit
- Facility
- HATNet
Data from the NASA Exoplanet Archive, synced October 14, 2026.