Kepler-91 b
A confirmed exoplanet orbiting Kepler-91.
Compared with Earth
- Size
- About 15 times Earth's width.
- Mass
- About 257 times Earth's mass.
- Temperature
- About 1,767 °C (3,212 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 6.2 Earth days.
Planet
- Radius
- 15.32 × Earth
- Mass
- 257.4 × Earth
- Density
- 0.4 g/cm³
- Equilibrium temperature
- 2,040 K
- Starlight received
- Unknown
- Orbital period
- 6.247 days
- Average distance from its star
- 0.0731 AU
Star
- Host star
- Kepler-91
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,550 K
- Radius
- 6.3 × Sun
- Mass
- 1.31 × Sun
- Age
- Unknown
System
- Distance from Earth
- 4,223 light-years (1,295 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2013
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.