Kepler-553 c
A confirmed exoplanet orbiting Kepler-553.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 2,129 times Earth's mass.
- Temperature
- About -22 °C (-8 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 59% of the starlight Earth gets from the Sun.
- Year
- A year here lasts about 328 Earth days.
Planet
- Radius
- 11.58 × Earth
- Mass
- 2,129 × Earth
- Density
- 7.53 g/cm³
- Equilibrium temperature
- 251 K
- Starlight received
- 0.589 × Earth
- Orbital period
- 328.2 days
- Average distance from its star
- 0.898 AU
Star
- Host star
- Kepler-553
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,191 K
- Radius
- 0.902 × Sun
- Mass
- 0.889 × Sun
- Age
- 8.8 billion years
System
- Distance from Earth
- 2,376 light-years (728.5 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.