HD 222237 is 37.3 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this K3 V star; the first was found in 2024 by radial velocity (Multiple Observatories).
Fly there in 3DHD 222237 b takes 40.8 years to go round its star once.
| Spectral type | K3 V |
| Surface temperature | 4,751 K |
| Mass | 0.76 solar masses |
| Radius | 0.71 solar radii |
| Luminosity | 0.216 times the Sun |
| Apparent magnitude | 7.09 |
| Age | about 8.8 billion years |
| Distance from the Sun | 37.3 light-years (11.4 parsecs) |
| Position (J2000) | RA 354.9079°, Dec -72.7253° |
| Constellation | Tucana |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| HD 222237 b | 40.8 years | 10.800 AU | 12.8 R⊕ estimated | 1649.5 M⊕ | Radial Velocity, 2024 |
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.