TOI-172 is 1,118 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,645 K star; the first was found in 2019 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTOI-172 b goes round its star every 9.48 days, 9 times as often as Mercury goes round the Sun.
| Surface temperature | 5,645 K |
| Mass | 1.128 solar masses |
| Radius | 1.777 solar radii |
| Luminosity | 2.89 times the Sun |
| Apparent magnitude | 11.299 |
| Age | about 7.4 billion years |
| Distance from the Sun | 1118.2 light-years (342.8 parsecs) |
| Position (J2000) | RA 316.6319°, Dec -26.6929° |
| Constellation | Capricornus |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TOI-172 b | 9.48 days | 0.0914 AU | 10.817 R⊕ | 1722.6 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.