K2-280 is 1,277 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,500 K star; the first was found in 2018 by transit (K2).
Fly there in 3DK2-280 b goes round its star every 19.9 days, 4 times as often as Mercury goes round the Sun.
| Surface temperature | 5,500 K |
| Mass | 1.03 solar masses |
| Radius | 1.28 solar radii |
| Luminosity | 1.38 times the Sun |
| Apparent magnitude | 12.524 |
| Age | about 8.96 billion years |
| Distance from the Sun | 1277.0 light-years (391.5 parsecs) |
| Position (J2000) | RA 291.5954°, Dec -22.2477° |
| Constellation | Sagittarius |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| K2-280 b | 19.9 days | 0.146 AU | 7.5 R⊕ | 37.1 M⊕ | Transit, 2018 |
Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.