(75555) Wonaszek Main-belt Asteroid
Discovered on 31 December 1999 by Sarneczky, K., Kiss, L. at Piszkesteto.
Hungarian astronomer Antal Wonaszek (1871-1902) was director of the Kiskartal Observatory during 1897-1902. His main field of research was the observation of clouds in Jupiter's atmosphere and the study of irregularities in Saturn's rings. He also made observations of the sun, moon and comets.Naming citation (20091202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Wonaszek is today
Seen from above the solar system on 2026-10-14: Wonaszek is 2.35 au from the Sun and 2.09 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 75555 |
| Provisional designation | 1999 YW14 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 7.22 hours |
| Absolute magnitude (H) | 16.34 |
| Orbital period | 3.88 years |
| Semi-major axis | 2.47 au |
| Perihelion – aphelion | 2.25 – 2.69 au |
| Eccentricity | 0.0899 |
| Inclination | 6.36° |
| Closest distance between its orbit and Earth's (MOID) | 1.25 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 31 December 1999
- (14238) d'Artagnan
- (18883) Domegge
- (25597) Glendahill
- (28437) Belenyu
- (47466) Mayatoyoshima
- (75562) Wilkening
- (629141) Mihalikeniko