Kepler-668 b
A confirmed exoplanet orbiting Kepler-668.
Compared with Earth
- Size
- About 2.7 times Earth's width.
- Year
- A year here lasts about 8.4 Earth days.
Planet
- Radius
- 2.7 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 8.354 days
- Average distance from its star
- Unknown
Star
- Host star
- Kepler-668
- Spectral class
- G — sun-like
- Surface temperature
- 5,352 K
- Radius
- 0.82 × Sun
- Mass
- 0.87 × Sun
- Age
- 3.89 billion years
System
- Distance from Earth
- 2,559 light-years (784.6 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.