K2-407 is 712 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this G4 star; the first was found in 2022 by transit (K2).
Fly there in 3DK2-407 b goes round its star every 4.94 days, 18 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.
| Spectral type | G4 |
| Surface temperature | 5,563 K |
| Mass | 0.881 solar masses |
| Radius | 0.927 solar radii |
| Luminosity | 0.746 times the Sun |
| Apparent magnitude | 11.969 |
| Distance from the Sun | 712.3 light-years (218.4 parsecs) |
| Position (J2000) | RA 232.5553°, Dec -23.0067° |
| Constellation | Libra |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| K2-407 b | 4.94 days | 0.0544 AU from Kepler’s law | 1.283 R⊕ | 2.19 M⊕ estimated | Transit, 2022 |
| K2-407 c | 9.22 days | 0.0825 AU from Kepler’s law | 1.36 R⊕ | 2.42 M⊕ estimated | Transit, 2022 |
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.