K2-329 b
A confirmed exoplanet orbiting K2-329.
Compared with Earth
- Size
- About 8.7 times Earth's width.
- Mass
- About 83 times Earth's mass.
- Temperature
- About 377 °C (710 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 46 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 12 Earth days.
Planet
- Radius
- 8.676 × Earth
- Mass
- 82.64 × Earth
- Density
- 0.694 g/cm³
- Equilibrium temperature
- 650 K
- Starlight received
- 45.7 × Earth
- Orbital period
- 12.46 days
- Average distance from its star
- 0.1016 AU
Star
- Host star
- K2-329
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,282 K
- Radius
- 0.822 × Sun
- Mass
- 0.901 × Sun
- Age
- 1.8 billion years
System
- Distance from Earth
- 760.7 light-years (233.2 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2020
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.