Kepler-1921 c
A confirmed exoplanet orbiting Kepler-1921.
Compared with Earth
- Size
- About 1.4 times Earth's width.
- Temperature
- About 1,518 °C (2,764 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 2,436 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.2 Earth days.
Planet
- Radius
- 1.41 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 1,791 K
- Starlight received
- 2,436 × Earth
- Orbital period
- 3.157 days
- Average distance from its star
- 0.0454 AU
Star
- Host star
- Kepler-1921
- Spectral class
- F — yellow-white
- Surface temperature
- 6,120 K
- Radius
- 2 × Sun
- Mass
- 1.251 × Sun
- Age
- Unknown
System
- Distance from Earth
- 3,030 light-years (929 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.