TOI-4329 is 2,339 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 6,000 K star; the first was found in 2022 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTOI-4329 b goes round its star every 2.92 days, 30 times as often as Mercury goes round the Sun.
Where the archive gives only a period or only an orbit size, the other is worked out from Kepler’s third law with the star’s mass.
| Surface temperature | 6,000 K |
| Mass | 1.538 solar masses |
| Radius | 2.31 solar radii |
| Luminosity | 6.3 times the Sun |
| Apparent magnitude | 12.724 |
| Age | about 2.39 billion years |
| Distance from the Sun | 2339.0 light-years (717.1 parsecs) |
| Position (J2000) | RA 329.5639°, Dec 71.1316° |
| Constellation | Cepheus |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TOI-4329 b | 2.92 days | 0.0462 AU from Kepler’s law | 16.813 R⊕ | 143.02 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.
For a star of 6,000 K, 6.3 times as bright as the Sun, the habitable zone, where starlight could keep water liquid on a rocky surface, runs from about 2.35 to 4.13 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 2,339 years ago, around 300 BC.