(434180) Brosens Main-belt Asteroid
Discovered on 31 October 2002 by NEAT at Palomar.
Jac Brosens (1941–2024) was a Dutch amateur astronomer. He used his knowledge of instrumental optics to upgrade telescopes of public observatories and colleague astronomers. He was an active promoter of observational instrumental astronomy and amateur astrophotography.Naming citation (WGSBN Bull. 4, #8, 9), IAU / Minor Planet Center, via NASA/JPL
Where Brosens is today
Seen from above the solar system on 2026-10-14: Brosens is 1.96 au from the Sun and 0.963 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 434180 |
| Provisional designation | 2002 UB77 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.82 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.81 – 2.75 au |
| Eccentricity | 0.206 |
| Inclination | 3.79° |
| Closest distance between its orbit and Earth's (MOID) | 0.801 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.