TOI-4145 A is 670 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,281 K star; the first was found in 2023 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTOI-4145 A b goes round its star every 4.07 days, 22 times as often as Mercury goes round the Sun.
TOI-4145 A is one of 2 stars in its system. The position of the other star is not catalogued, so only TOI-4145 A and its planets are drawn.
| Surface temperature | 5,281 K |
| Mass | 0.905 solar masses |
| Radius | 0.859 solar radii |
| Luminosity | 0.516 times the Sun |
| Apparent magnitude | 12.084 |
| Age | about 4.7 billion years |
| Distance from the Sun | 669.9 light-years (205.4 parsecs) |
| Position (J2000) | RA 39.4297°, Dec 80.2674° |
| Constellation | Cepheus |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TOI-4145 A b | 4.07 days | 0.0482 AU | 13.305 R⊕ | 136.67 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.