Kepler-1991 c
A confirmed exoplanet orbiting Kepler-1991.
Compared with Earth
- Size
- About 2.6 times Earth's width.
- Temperature
- About 361 °C (682 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 38 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 23 Earth days.
Planet
- Radius
- 2.57 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 634 K
- Starlight received
- 38.27 × Earth
- Orbital period
- 22.79 days
- Average distance from its star
- 0.1528 AU
Star
- Host star
- Kepler-1991
- Spectral class
- G — sun-like
- Surface temperature
- 5,478 K
- Radius
- 1.053 × Sun
- Mass
- 0.914 × Sun
- Age
- Unknown
System
- Distance from Earth
- 2,791 light-years (855.8 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2023
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.