TOI-4603 is 736 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this F star; the first was found in 2023 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTOI-4603 b goes round its star every 7.25 days, 12 times as often as Mercury goes round the Sun.
| Spectral type | F |
| Surface temperature | 6,264 K |
| Mass | 1.765 solar masses |
| Radius | 2.738 solar radii |
| Luminosity | 10.4 times the Sun |
| Apparent magnitude | 9.24 |
| Age | about 1.64 billion years |
| Distance from the Sun | 736.0 light-years (225.6 parsecs) |
| Position (J2000) | RA 83.8659°, Dec 21.2942° |
| Constellation | Taurus |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TOI-4603 b | 7.25 days | 0.0888 AU | 11.68 R⊕ | 4096.8 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.