(16745) Zappa Main-belt Asteroid
Discovered on 9 August 1996 by Osservatorio San Vittore at Bologna.
Italian astronomer Giovanni Zappa (1884-1923) was an assistant at the observatory of the Collegio Romano, adjunct astronomer at Catania, astronomer at Capodimonte and director of the observatory of Collurania and Collegio Romano. Interested in classical astronomy, he calculated orbits of minor planets and comets.Naming citation (20020624/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Zappa is today
Seen from above the solar system on 2026-10-14: Zappa is 2.90 au from the Sun and 2.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16745 |
| Provisional designation | 1996 PF5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.18 km (#8,668 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0480 |
| Absolute magnitude (H) | 14.87 |
| Orbital period | 4.25 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.25 – 3.00 au |
| Eccentricity | 0.144 |
| Inclination | 10.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.27 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
Also discovered on 9 August 1996
- (8310) Seelos
- (11118) Modra
- (11119) Taro
- (14077) Volfango
- (18505) Caravelli
- (39686) Takeshihara
- (43931) Yoshimi