HAT-P-45 b
A confirmed exoplanet orbiting HAT-P-45.
Compared with Earth
- Size
- About 16 times Earth's width.
- Mass
- About 283 times Earth's mass.
- Temperature
- About 1,379 °C (2,514 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.1 Earth days.
Planet
- Radius
- 15.98 × Earth
- Mass
- 283.5 × Earth
- Density
- 0.38 g/cm³
- Equilibrium temperature
- 1,652 K
- Starlight received
- Unknown
- Orbital period
- 3.129 days
- Average distance from its star
- 0.0452 AU
Star
- Host star
- HAT-P-45
- Spectral class
- F — yellow-white
- Surface temperature
- 6,330 K
- Radius
- 1.319 × Sun
- Mass
- 1.259 × Sun
- Age
- 2 billion years
System
- Distance from Earth
- 974 light-years (298.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2014
- Method
- Transit
- Facility
- HATNet
Data from the NASA Exoplanet Archive, synced October 14, 2026.