K2-219 is 1,061 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this 5,753 K star; the first was found in 2018 by transit (K2).
Fly there in 3DK2-219 b goes round its star every 3.90 days, 23 times as often as Mercury goes round the Sun.
Where the archive gives only a period or only an orbit size, the other is worked out from Kepler’s third law with the star’s mass.
| Surface temperature | 5,753 K |
| Mass | 1.02154 solar masses |
| Radius | 1.18923 solar radii |
| Luminosity | 1.416 times the Sun |
| Apparent magnitude | 12.09 |
| Distance from the Sun | 1061.3 light-years (325.4 parsecs) |
| Position (J2000) | RA 12.8453°, Dec 8.8675° |
| Constellation | Pisces |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| K2-219 b | 3.90 days | 0.0488 AU from Kepler’s law | 1.3476 R⊕ | 2.38 M⊕ estimated | Transit, 2018 |
| K2-219 c | 6.67 days | 0.0698 AU from Kepler’s law | 1.4384 R⊕ | 2.66 M⊕ estimated | Transit, 2018 |
| K2-219 d | 11.1 days | 0.0983 AU from Kepler’s law | 2.5763 R⊕ | 7.16 M⊕ estimated | 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.
For a star of 5,753 K, 1.4 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 1.13 to 2.00 AU. None of its known planets orbits inside it. The zone says how much starlight arrives, not whether a planet has water or air. The edges follow Kopparapu et al. (2014), as the 3D view draws them.
The light you see left 1,061 years ago, around AD 960.