HATS-57 is 912 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,587 K star; the first was found in 2019 by transit (HATSouth).
Fly there in 3DHATS-57 b goes round its star every 2.35 days, 37 times as often as Mercury goes round the Sun.
| Surface temperature | 5,587 K |
| Mass | 1.026 solar masses |
| Radius | 0.96 solar radii |
| Luminosity | 0.805 times the Sun |
| Apparent magnitude | 12.333 |
| Age | about 2.5 billion years |
| Distance from the Sun | 911.6 light-years (279.5 parsecs) |
| Position (J2000) | RA 60.9483°, Dec -19.0568° |
| Constellation | Eridanus |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| HATS-57 b | 2.35 days | 0.0349 AU | 12.767 R⊕ | 1000.2 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.