K2-100 b
A confirmed exoplanet orbiting K2-100.
Compared with Earth
- Size
- About 3.9 times Earth's width.
- Mass
- About 22 times Earth's mass.
- Temperature
- About 1,568 °C (2,854 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 1,915 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 1.7 Earth days.
Planet
- Radius
- 3.88 × Earth
- Mass
- 21.8 × Earth
- Density
- 2.04 g/cm³
- Equilibrium temperature
- 1,841 K
- Starlight received
- 1,915 × Earth
- Orbital period
- 1.674 days
- Average distance from its star
- 0.0301 AU
Star
- Host star
- K2-100
- Spectral class
- G — sun-like
- Surface temperature
- 5,945 K
- Radius
- 1.24 × Sun
- Mass
- 1.15 × Sun
- Age
- 0.75 billion years
System
- Distance from Earth
- 616.3 light-years (189 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.