TOI-2128 is 119 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 5,968 K star; the first was found in 2024 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTOI-2128 b goes round its star every 16.3 days, 5 times as often as Mercury goes round the Sun.
| Surface temperature | 5,968 K |
| Mass | 1.0251 solar masses |
| Radius | 1.1174 solar radii |
| Luminosity | 1.433 times the Sun |
| Apparent magnitude | 7.22142 |
| Age | about 4.7 billion years |
| Distance from the Sun | 119.3 light-years (36.6 parsecs) |
| Position (J2000) | RA 256.9818°, Dec 32.1053° |
| Constellation | Hercules |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TOI-2128 b | 16.3 days | 0.127 AU | 2.0887 R⊕ | 4.5 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.