TOI-1439 is 751 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,841 K star; the first was found in 2024 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTOI-1439 b goes round its star every 27.6 days, 3 times as often as Mercury goes round the Sun.
| Surface temperature | 5,841 K |
| Mass | 1.2313 solar masses |
| Radius | 1.6184 solar radii |
| Luminosity | 2.76 times the Sun |
| Apparent magnitude | 10.55 |
| Age | about 4.6 billion years |
| Distance from the Sun | 751.2 light-years (230.3 parsecs) |
| Position (J2000) | RA 241.7639°, Dec 67.8776° |
| Constellation | Draco |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TOI-1439 b | 27.6 days | 0.192 AU | 4.2428 R⊕ | 38.5 M⊕ | Transit, 2024 |
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.