K2-133 e
A confirmed exoplanet orbiting K2-133.
Compared with Earth
- Size
- About 1.7 times Earth's width.
- Temperature
- About 23 °C (73 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 1.8 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 27 Earth days.
Planet
- Radius
- 1.73 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 296 K
- Starlight received
- 1.8 × Earth
- Orbital period
- 26.58 days
- Average distance from its star
- 0.1346 AU
Star
- Host star
- K2-133
- Spectral class
- M — red dwarf
- Surface temperature
- 3,655 K
- Radius
- 0.455 × Sun
- Mass
- 0.461 × Sun
- Age
- Unknown
System
- Distance from Earth
- 245.2 light-years (75.17 parsecs)
- Stars in system
- 1
- Known planets
- 4
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.