TOI-2373 is 1,659 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,651 K star; the first was found in 2023 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTOI-2373 b goes round its star every 13.3 days, 7 times as often as Mercury goes round the Sun.
| Surface temperature | 5,651 K |
| Mass | 1.041 solar masses |
| Radius | 1.102 solar radii |
| Luminosity | 1.125 times the Sun |
| Apparent magnitude | 13.251 |
| Age | about 5.9 billion years |
| Distance from the Sun | 1659.1 light-years (508.7 parsecs) |
| Position (J2000) | RA 61.6862°, Dec -16.7558° |
| Constellation | Eridanus |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TOI-2373 b | 13.3 days | 0.112 AU | 10.424 R⊕ | 2955.8 M⊕ | Transit, 2023 |
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.
For a star of 5,651 K, 1.1 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 1.02 to 1.80 AU. None of its known planets orbits inside it. The zone says how much starlight arrives, not whether a planet has water or air. The edges follow Kopparapu et al. (2014), as the 3D view draws them.
The light you see left 1,659 years ago, around AD 370.