(73551) Dariocastellano Main-belt Asteroid
Discovered on 18 August 2003 by CINEOS at Campo Imperatore.
Dario Castellano (b. 1983) holds a Master's degree in Astrophysics and Space Science and a Ph.D. with a thesis related to gravitational waves. He has also been devoted to astronomy public outreach in the town of Benevento, Italy. He is mainly interested in comets, variable stars and exoplanets.Naming citation (WGSBN Bull. 5, #19, 5), IAU / Minor Planet Center, via NASA/JPL
Where Dariocastellano is today
Seen from above the solar system on 2026-10-14: Dariocastellano is 2.91 au from the Sun and 3.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 73551 |
| Provisional designation | 2003 QV |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.94 km (#12,901 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.198 |
| Absolute magnitude (H) | 14.72 |
| Orbital period | 5.12 years |
| Semi-major axis | 2.97 au |
| Perihelion – aphelion | 2.90 – 3.05 au |
| Eccentricity | 0.0253 |
| Inclination | 8.22° |
| Closest distance between its orbit and Earth's (MOID) | 1.91 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Dario
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