K2-73 c
A confirmed exoplanet orbiting K2-73.
Compared with Earth
- Mass
- About 1,142 times Earth's mass.
- Temperature
- About -87 °C (-125 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 29% of the starlight Earth gets from the Sun.
- Year
- A year here lasts about 2.7 Earth years.
Planet
- Radius
- Unknown
- Mass
- 1,142 × Earth
- Density
- Unknown
- Equilibrium temperature
- 186.1 K
- Starlight received
- 0.285 × Earth
- Orbital period
- 1,000 days
- Average distance from its star
- Unknown
Star
- Host star
- K2-73
- Spectral class
- G — sun-like
- Surface temperature
- 5,867 K
- Radius
- 1.058 × Sun
- Mass
- 1.02 × Sun
- Age
- Unknown
System
- Distance from Earth
- 878 light-years (269.2 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2025
- Method
- Radial Velocity
- Facility
- W. M. Keck Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.