(21661) Olgagermani Main-belt Asteroid
Discovered on 1 September 1999 by G. Masi at Ceccano.
Italian poetess Olga Germani (1900-1983) worked with young students and performed for school festivities and charity.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Olgagermani is today
Seen from above the solar system on 2026-10-14: Olgagermani is 2.94 au from the Sun and 3.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21661 |
| Provisional designation | 1999 RA |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.74 km (#9,326 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Absolute magnitude (H) | 15.05 |
| Orbital period | 3.63 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.78 – 2.95 au |
| Eccentricity | 0.248 |
| Inclination | 5.62° |
| Closest distance between its orbit and Earth's (MOID) | 0.767 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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