(21684) Alinafiocca Main-belt Asteroid
Discovered on 4 September 1999 by White, M., Collins, M. at Anza.
Alina Fiocca (b. 1994) is a girl of Italian heritage born with Down's syndrome. A resident of Aliso Viejo, California, she is a bright and beautiful princess, a daily inspiration in her ability to love unconditionally and wholeheartedly.Naming citation (20010509/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Alinafiocca is today
Seen from above the solar system on 2026-10-14: Alinafiocca is 2.16 au from the Sun and 1.56 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21684 |
| Provisional designation | 1999 RR33 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.32 |
| Orbital period | 3.79 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.12 – 2.74 au |
| Eccentricity | 0.127 |
| Inclination | 5.63° |
| 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 Alina
All asteroids named after someone called Alina