HATS-18 is 2,036 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this G V star; the first was found in 2016 by transit (Multiple Observatories).
Fly there in 3DHATS-18 b goes round its star every 20.1 hours, 105 times as often as Mercury goes round the Sun.
| Spectral type | G V |
| Surface temperature | 5,600 K |
| Mass | 1.037 solar masses |
| Radius | 1.02 solar radii |
| Luminosity | 0.93 times the Sun |
| Apparent magnitude | 14.188 |
| Age | about 4.2 billion years |
| Distance from the Sun | 2036.4 light-years (624.4 parsecs) |
| Position (J2000) | RA 173.9574°, Dec -29.1561° |
| Constellation | Hydra |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| HATS-18 b | 20.1 hours | 0.0174 AU | 14.897 R⊕ | 629.14 M⊕ | Transit, 2016 |
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.