(19224) Orosei Main-belt Asteroid
Discovered on 15 September 1993 by A. Boattini at Cima Ekar.
Roberto Orosei (b. 1968) has worked on theoretical and numerical tools for microwave experiments in planetary missions. He has participated in many international projects, mostly related to European Space Agency missions for solar-system exploration.Naming citation (20070402/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Orosei is today
Seen from above the solar system on 2026-10-14: Orosei is 2.26 au from the Sun and 2.78 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19224 |
| Provisional designation | 1993 RJ3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.23 km (#16,735 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.296 |
| Rotation period | 36.6 hours |
| Absolute magnitude (H) | 15.28 |
| Orbital period | 3.38 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 1.89 – 2.61 au |
| Eccentricity | 0.159 |
| Inclination | 6.48° |
| Closest distance between its orbit and Earth's (MOID) | 0.900 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Roberto
- (4881) Robmackintosh
- (7323) Robersomma
- (7794) Sanvito
- (8742) Bonazzoli
- (9478) Caldeyro
- (10579) Diluca
- (10590) Ragazzoni
- (12470) Pinotti
- (14919) Robertohaver
- (14964) Robertobacci
- (16996) Dahir
- (19457) Robcastillo
All asteroids named after someone called Roberto
Also discovered on 15 September 1993
- (8039) Grandprism
- (9381) Lyon
- (10356) Rudolfsteiner
- (10557) Rowland
- (10558) Karlstad
- (11083) Caracas
- (11572) Schindler
- (12356) Carlscheele
- (13113) Williamyeats
- (14911) Fukamatsu
- (15786) Hoshioka
- (17544) Kojiroishikawa