TIC 434398831 is 708 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this G4 V star; the first was found in 2025 by transit (Transiting Exoplanet Survey Satellite (TESS)).
Fly there in 3DTIC 434398831 b goes round its star every 3.69 days, 24 times as often as Mercury goes round the Sun.
| Spectral type | G4 V |
| Surface temperature | 5,638 K |
| Mass | 0.992 solar masses |
| Radius | 0.909 solar radii |
| Luminosity | 0.7186 times the Sun |
| Apparent magnitude | 11.682 |
| Age | about 0.061 billion years |
| Distance from the Sun | 707.8 light-years (217.0 parsecs) |
| Position (J2000) | RA 93.9593°, Dec 16.0238° |
| Constellation | Orion |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| TIC 434398831 b | 3.69 days | 0.0464 AU | 3.51 R⊕ | 12.1 M⊕ estimated | Transit, 2025 |
| TIC 434398831 c | 6.21 days | 0.0657 AU | 5.63 R⊕ | 27 M⊕ estimated | Transit, 2025 |
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.