21684 Alinafiocca
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Discovery and designation
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| Discovered by | M. White and M. Collins |
| Discovery site | Anza Observatory of Orange County Astronomers |
| Discovery date | September 4, 1999 |
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Designations
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| MPC designation | 21684 |
| Alternative names[1] | 1999 RR33 |
| Epoch May 14, 2008 | |
| Ap | 2.7421428 |
| Peri | 2.1145064 |
| Eccentricity | 0.1292324 |
| Orbital period | 1382.1607203 |
| Mean anomaly | 24.28619 |
| Inclination | 5.62493 |
| Longitude of ascending node | 17.97201 |
| Argument of peri | 75.64189 |
| Absolute magnitude | 15.5 |
21684 Alinafiocca (1999 RR33) is a Main-belt Asteroid discovered on September 4, 1999 by M. White and M. Collins at Anza Observatory of Orange County Astronomers.
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