HD 219134 is 21.3 light-years from the Sun. The NASA Exoplanet Archive lists 6 planets around this K3 V star; the first was found in 2015 by radial velocity (Roque de los Muchachos Observatory).
Fly there in 3DHD 219134 b goes round its star every 3.09 days, 28 times as often as Mercury goes round the Sun.
| Spectral type | K3 V |
| Surface temperature | 4,699 K |
| Mass | 0.81 solar masses |
| Radius | 0.778 solar radii |
| Luminosity | 0.2646 times the Sun |
| Apparent magnitude | 5.56911 |
| Age | about 11 billion years |
| Distance from the Sun | 21.3 light-years (6.5 parsecs) |
| Position (J2000) | RA 348.3372°, Dec 57.1696° |
| Constellation | Cassiopeia |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| HD 219134 b | 3.09 days | 0.0388 AU | 1.602 R⊕ | 4.74 M⊕ | Radial Velocity, 2015 |
| HD 219134 c | 6.76 days | 0.0653 AU | 1.511 R⊕ | 4.36 M⊕ | Radial Velocity, 2015 |
| HD 219134 f disputed | 22.7 days | 0.146 AU | 1.31 R⊕ | 7.3 M⊕ | Radial Velocity, 2015 |
| HD 219134 d | 46.9 days | 0.237 AU | 1.61 R⊕ | 16.17 M⊕ | Radial Velocity, 2015 |
| HD 219134 g disputed | 94.2 days | 0.375 AU | 3.28 R⊕ estimated | 10.806 M⊕ minimum | Radial Velocity, 2015 |
| HD 219134 h | 6.2 years | 3.110 AU | 12.7 R⊕ estimated | 108.06 M⊕ minimum | Radial Velocity, 2015 |
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.