HAT-P-3 b
A confirmed exoplanet orbiting HAT-P-3.
Compared with Earth
- Size
- About 11 times Earth's width.
- Mass
- About 207 times Earth's mass.
- Year
- A year here lasts about 2.9 Earth days.
Planet
- Radius
- 10.54 × Earth
- Mass
- 206.6 × Earth
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 2.9 days
- Average distance from its star
- Unknown
Star
- Host star
- HAT-P-3
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,185 K
- Radius
- 0.87 × Sun
- Mass
- 1.06 × Sun
- Age
- Unknown
System
- Distance from Earth
- 438.9 light-years (134.6 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2007
- Method
- Transit
- Facility
- HATNet
Data from the NASA Exoplanet Archive, synced October 14, 2026.