K2-238 is 1,755 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this G2 V star; the first was found in 2018 by transit (K2).
Fly there in 3DK2-238 b goes round its star every 3.20 days, 27 times as often as Mercury goes round the Sun.
| Spectral type | G2 V |
| Surface temperature | 5,630 K |
| Mass | 1.19 solar masses |
| Radius | 1.59 solar radii |
| Luminosity | 2.291 times the Sun |
| Apparent magnitude | 13.973 |
| Age | about 5.63 billion years |
| Distance from the Sun | 1754.6 light-years (538.0 parsecs) |
| Position (J2000) | RA 347.7043°, Dec -7.8576° |
| Constellation | Aquarius |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| K2-238 b | 3.20 days | 0.0460 AU | 14.572 R⊕ | 273.33 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.