(128474) Arbacia Main-belt Asteroid
Discovered on 7 August 2004 by R. Ferrando at Pla D'Arguines.
Patricio Dominguez Ärbacia” (1964-2013) was professor of paleontology at the Complutense University of Madrid. His greatest contribution was to note, for the amateur astronomical community, the secrets of the geological evolution of the moon.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where Arbacia is today
Seen from above the solar system on 2026-10-14: Arbacia is 2.97 au from the Sun and 2.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 128474 |
| Provisional designation | 2004 PD1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.31 |
| Orbital period | 5.39 years |
| Semi-major axis | 3.07 au |
| Perihelion – aphelion | 2.85 – 3.30 au |
| Eccentricity | 0.0725 |
| Inclination | 10.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.84 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Patricio
All asteroids named after someone called Patricio