(2189) Zaragoza Main-belt Asteroid
Discovered on 30 August 1975 by Felix Aguilar Observatory at El Leoncito.
Named in memory of Aldo Zaragoza (1924-1979), a member of the staff of the Felix Aguilar Observatory for over 20 years. As head of the Calculations Office he was responsible for the analysis and reduction of the plates taken at El Leoncito, and he calculated orbits for the comets and minor planets observed.Naming citation (MPC 5524), IAU / Minor Planet Center, via NASA/JPL
Where Zaragoza is today
Seen from above the solar system on 2026-10-14: Zaragoza is 2.75 au from the Sun and 3.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2189 |
| Provisional designation | 1975 QK |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.25 km (#8,572 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.344 |
| Rotation period | 4.93 hours |
| Spectral type | S |
| Absolute magnitude (H) | 13.13 |
| Orbital period | 3.72 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 1.86 – 2.95 au |
| Eccentricity | 0.227 |
| Inclination | 13.9° |
| Closest distance between its orbit and Earth's (MOID) | 0.865 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Aldo
- (5368) Vitagliano
- (7516) Kranjc
- (13174) Timossi
- (19528) Delloro
- (91214) Diclemente
- (99388) Londialdo
- (143626) Sevialdo
- (600539) Aldoatiglio
All asteroids named after someone called Aldo