Kepler-166 d
A confirmed exoplanet orbiting Kepler-166.
Compared with Earth
- Size
- About 1.7 times Earth's width.
- Year
- A year here lasts about 1.6 Earth days.
Planet
- Radius
- 1.73 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 1.554 days
- Average distance from its star
- Unknown
Star
- Host star
- Kepler-166
- Spectral class
- G — sun-like
- Surface temperature
- 5,350 K
- Radius
- 0.83 × Sun
- Mass
- 0.88 × Sun
- Age
- 4.47 billion years
System
- Distance from Earth
- 1,968 light-years (603.5 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.