Kepler-553 b
A confirmed exoplanet orbiting Kepler-553.
Compared with Earth
- Size
- About 4.7 times Earth's width.
- Mass
- About 116 times Earth's mass.
- Temperature
- About 816 °C (1,501 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 235 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4 Earth days.
Planet
- Radius
- 4.741 × Earth
- Mass
- 116 × Earth
- Density
- Unknown
- Equilibrium temperature
- 1,089 K
- Starlight received
- 235 × Earth
- Orbital period
- 4.03 days
- Average distance from its star
- 0.04766 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.