TOI-640 is 1,115 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 6,460 K star; the first was found in 2021 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTOI-640 b goes round its star every 5.00 days, 18 times as often as Mercury goes round the Sun.
| Surface temperature | 6,460 K |
| Mass | 1.536 solar masses |
| Radius | 2.082 solar radii |
| Luminosity | 6.83 times the Sun |
| Apparent magnitude | 10.51 |
| Age | about 1.99 billion years |
| Distance from the Sun | 1115.4 light-years (342.0 parsecs) |
| Position (J2000) | RA 99.7346°, Dec -36.6461° |
| Constellation | Columba |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TOI-640 b | 5.00 days | 0.0661 AU | 19.279 R⊕ | 181.16 M⊕ | Transit, 2021 |
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.