WASP-166 is 372 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this F9 V star; the first was found in 2019 by transit (WASP-South).
Fly there in 3DWASP-166 b goes round its star every 5.44 days, 16 times as often as Mercury goes round the Sun.
| Spectral type | F9 V |
| Surface temperature | 6,050 K |
| Mass | 1.19 solar masses |
| Radius | 1.22 solar radii |
| Luminosity | 1.917 times the Sun |
| Apparent magnitude | 9.351 |
| Age | about 2.1 billion years |
| Distance from the Sun | 372.4 light-years (114.2 parsecs) |
| Position (J2000) | RA 144.8751°, Dec -20.9824° |
| Constellation | Hydra |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| WASP-166 b | 5.44 days | 0.0641 AU | 7.0617 R⊕ | 32.101 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.