K2-108 is 1,557 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,599 K star; the first was found in 2017 by transit (K2).
Fly there in 3DK2-108 b goes round its star every 4.73 days, 19 times as often as Mercury goes round the Sun.
| Surface temperature | 5,599 K |
| Mass | 1.17 solar masses |
| Radius | 1.76 solar radii |
| Luminosity | 2.543 times the Sun |
| Apparent magnitude | 12.339 |
| Age | about 7.8 billion years |
| Distance from the Sun | 1556.7 light-years (477.3 parsecs) |
| Position (J2000) | RA 123.3818°, Dec 16.4195° |
| Constellation | Cancer |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| K2-108 b | 4.73 days | 0.0581 AU | 5.33 R⊕ | 59.4 M⊕ | Transit, 2017 |
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.