XO-7 is 764 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this G0 V star; the first was found in 2019 by transit (XO).
Fly there in 3DXO-7 b goes round its star every 2.86 days, 31 times as often as Mercury goes round the Sun.
| Spectral type | G0 V |
| Surface temperature | 6,250 K |
| Mass | 1.405 solar masses |
| Radius | 1.48 solar radii |
| Luminosity | 2.7 times the Sun |
| Apparent magnitude | 10.521 |
| Age | about 1.18 billion years |
| Distance from the Sun | 763.7 light-years (234.1 parsecs) |
| Position (J2000) | RA 277.4781°, Dec 85.2333° |
| Constellation | Draco |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| XO-7 b | 2.86 days | 0.0442 AU | 15.39 R⊕ | 225.34 M⊕ | Transit, 2019 |
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 6,250 K, 2.7 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 1.52 to 2.65 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 764 years ago, around 1260.