K2-136 c
A confirmed exoplanet orbiting K2-136.
Compared with Earth
- Size
- About 3 times Earth's width.
- Mass
- About 18 times Earth's mass.
- Temperature
- About 197 °C (386 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 12 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 17 Earth days.
Planet
- Radius
- 3 × Earth
- Mass
- 18.1 × Earth
- Density
- 3.69 g/cm³
- Equilibrium temperature
- 470 K
- Starlight received
- 11.91 × Earth
- Orbital period
- 17.31 days
- Average distance from its star
- 0.1185 AU
Star
- Host star
- K2-136
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,500 K
- Radius
- 0.677 × Sun
- Mass
- 0.742 × Sun
- Age
- 0.65 billion years
System
- Distance from Earth
- 193.2 light-years (59.25 parsecs)
- Stars in system
- 2
- Known planets
- 3
Discovery
- Year
- 2017
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.