(13921) Sgarbini Main-belt Asteroid
Discovered on 14 September 1985 by E. Bowell at Anderson Mesa.
Bruno Sgarbini (b. 1957) directs the “G. C. Gloriosi” amateur astronomical observatory in Montecorvino Rovella, Campania. An ardent popularizer of astronomy, he is also the principal organizer of an annual international astronomy meeting. The citation is endorsed by A. W. Harris and V. Zappalà.Naming citation (20050721/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sgarbini is today
Seen from above the solar system on 2026-10-14: Sgarbini is 2.36 au from the Sun and 2.69 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13921 |
| Provisional designation | 1985 RP |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.38 km (#11,887 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.133 |
| Rotation period | 3.68 hours |
| Absolute magnitude (H) | 14.97 |
| Orbital period | 3.47 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.77 – 2.82 au |
| Eccentricity | 0.230 |
| Inclination | 8.01° |
| Closest distance between its orbit and Earth's (MOID) | 0.781 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Bruno
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