K2-115 b
A confirmed exoplanet orbiting K2-115.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 321 times Earth's mass.
- Temperature
- About 423 °C (793 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 20 Earth days.
Planet
- Radius
- 11.8 × Earth
- Mass
- 321 × Earth
- Density
- 1.07 g/cm³
- Equilibrium temperature
- 696 K
- Starlight received
- Unknown
- Orbital period
- 20.27 days
- Average distance from its star
- 0.1415 AU
Star
- Host star
- K2-115
- Spectral class
- G — sun-like
- Surface temperature
- 5,870 K
- Radius
- 0.855 × Sun
- Mass
- 0.918 × Sun
- Age
- 2.2 billion years
System
- Distance from Earth
- 1,349 light-years (413.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2017
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.