K2-266 b
A confirmed exoplanet orbiting K2-266.
Compared with Earth
- Size
- About 3.3 times Earth's width.
- Mass
- About 11 times Earth's mass.
- Temperature
- About 1,242 °C (2,267 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 880 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 16 hours.
Planet
- Radius
- 3.3 × Earth
- Mass
- 11.27 × Earth
- Density
- Unknown
- Equilibrium temperature
- 1,515 K
- Starlight received
- 879.5 × Earth
- Orbital period
- 0.6585 days
- Average distance from its star
- 0.01306 AU
Star
- Host star
- K2-266
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,285 K
- Radius
- 0.703 × Sun
- Mass
- 0.686 × Sun
- Age
- Unknown
System
- Distance from Earth
- 253 light-years (77.56 parsecs)
- Stars in system
- 2
- Known planets
- 4
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.