Kepler-446 d
A confirmed exoplanet orbiting Kepler-446.
Compared with Earth
- Size
- About 1.4 times Earth's width.
- Year
- A year here lasts about 5.1 Earth days.
Planet
- Radius
- 1.35 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 5.149 days
- Average distance from its star
- Unknown
Star
- Host star
- Kepler-446
- Spectral class
- M — red dwarf
- Surface temperature
- 3,359 K
- Radius
- 0.24 × Sun
- Mass
- 0.22 × Sun
- Age
- Unknown
System
- Distance from Earth
- 314.2 light-years (96.34 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2015
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.