Kepler-644 b
A confirmed exoplanet orbiting Kepler-644.
Compared with Earth
- Size
- About 3.2 times Earth's width.
- Year
- A year here lasts about 3.2 Earth days.
Planet
- Radius
- 3.15 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 3.174 days
- Average distance from its star
- Unknown
Star
- Host star
- Kepler-644
- Spectral class
- F — yellow-white
- Surface temperature
- 6,747 K
- Radius
- 1.81 × Sun
- Mass
- 1.49 × Sun
- Age
- 1.62 billion years
System
- Distance from Earth
- 4,299 light-years (1,318 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.