TOI-2158 is 647 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,673 K star; the first was found in 2022 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTOI-2158 b goes round its star every 8.60 days, 10 times as often as Mercury goes round the Sun.
| Surface temperature | 5,673 K |
| Mass | 1.12 solar masses |
| Radius | 1.41 solar radii |
| Luminosity | 1.701 times the Sun |
| Apparent magnitude | 10.887 |
| Age | about 8 billion years |
| Distance from the Sun | 647.3 light-years (198.5 parsecs) |
| Position (J2000) | RA 276.8101°, Dec 20.5269° |
| Constellation | Hercules |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TOI-2158 b | 8.60 days | 0.0750 AU | 10.761 R⊕ | 260.62 M⊕ | Transit, 2022 |
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.