HD 217786 is 181 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this F8 V star; the first was found in 2011 by radial velocity (La Silla Observatory).
Fly there in 3DHD 217786 c goes round its star every 2.52 days, 35 times as often as Mercury goes round the Sun.
HD 217786 is one of 2 stars in its system. The position of the other star is not catalogued, so only HD 217786 and its planets are drawn.
| Spectral type | F8 V |
| Surface temperature | 5,966 K |
| Mass | 1.14 solar masses |
| Radius | 1.27 solar radii |
| Luminosity | 1.89 times the Sun |
| Apparent magnitude | 7.78 |
| Age | about 7.6 billion years |
| Distance from the Sun | 181.0 light-years (55.5 parsecs) |
| Position (J2000) | RA 345.7838°, Dec -0.4304° |
| Constellation | Pisces |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| HD 217786 c | 2.52 days | 0.0380 AU | 2.61 R⊕ estimated | 7.3101 M⊕ minimum | Radial Velocity, 2022 |
| HD 217786 b | 3.6 years | 2.446 AU | 12.3 R⊕ estimated | 4402.6 M⊕ | Radial Velocity, 2011 |
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.