K2-285 b
A confirmed exoplanet orbiting K2-285.
Compared with Earth
- Size
- About 2.6 times Earth's width.
- Mass
- About 9.7 times Earth's mass.
- Temperature
- About 816 °C (1,500 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 234 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.5 Earth days.
Planet
- Radius
- 2.59 × Earth
- Mass
- 9.68 × Earth
- Density
- 3.07 g/cm³
- Equilibrium temperature
- 1,089 K
- Starlight received
- 234.3 × Earth
- Orbital period
- 3.472 days
- Average distance from its star
- 0.03817 AU
Star
- Host star
- K2-285
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,975 K
- Radius
- 0.787 × Sun
- Mass
- 0.83 × Sun
- Age
- Unknown
System
- Distance from Earth
- 505.4 light-years (155 parsecs)
- Stars in system
- 1
- Known planets
- 4
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.