K2-284 b
A confirmed exoplanet orbiting K2-284.
Compared with Earth
- Size
- About 2.8 times Earth's width.
- Temperature
- About 380 °C (716 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 43 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4.8 Earth days.
Planet
- Radius
- 2.78 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 653 K
- Starlight received
- 42.6 × Earth
- Orbital period
- 4.795 days
- Average distance from its star
- 0.04771 AU
Star
- Host star
- K2-284
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,140 K
- Radius
- 0.607 × Sun
- Mass
- 0.63 × Sun
- Age
- 0.12 billion years
System
- Distance from Earth
- 349.9 light-years (107.3 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2018
- Method
- Transit
- Facility
- K2
Data from the NASA Exoplanet Archive, synced October 14, 2026.