(59417) Giocasilli Main-belt Asteroid
Discovered on 5 April 1999 by Boattini, A., Tesi, L. at San Marcello.
Giovanni Casilli (b. 1949) joined the staff of the Rome Astronomical Observatory in 1989. Since then he has worked at the Campo Imperatore station as a technician, providing his assistance to the Campo Imperatore Near-Earth Object Survey.Naming citation (20051215/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Giocasilli is today
Seen from above the solar system on 2026-10-14: Giocasilli is 2.43 au from the Sun and 1.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 59417 |
| Provisional designation | 1999 GD1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.86 km (#17,185 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.389 |
| Absolute magnitude (H) | 15.32 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 2.15 – 2.63 au |
| Eccentricity | 0.100 |
| Inclination | 7.14° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Giovanni
- (6509) Giovannipratesi
- (6852) Nannibignami
- (7317) Cabot
- (7328) Casanova
- (8123) Canaletto
- (9878) Sostero
- (10928) Caprara
- (12433) Barbieri
- (12812) Cioni
- (15036) Giovannianselmi
- (15950) Dallago
- (16682) Donati
All asteroids named after someone called Giovanni