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Discovery and designation
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| Discovered by | N. S. Chernykh |
| Discovery site | Crimean Astrophysical Observatory |
| Discovery date | September 11, 1972 |
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Designations
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| MPC designation | 2164 |
| Alternate name(s) | 1972 RM2 |
| Epoch May 14, 2008 | |
| Ap | 3.5956118 |
| Peri | 2.7824074 |
| Eccentricity | 0.1275011 |
| Orbital period | 2080.0901742 |
| Mean anomaly | 150.24120 |
| Inclination | 2.61792 |
| Longitude of ascending node | 115.85431 |
| Argument of peri | 192.06358 |
| Absolute magnitude (H) | 11.8 |
2164 Lyalya (1972 RM2) is a main-belt asteroid discovered on September 11, 1972 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Named in memory of Elena (Lyalya) Konstantinovna Ubijvovk (1918-1942), a student in astronomy at Kharkov University who perished with other members of the Resistance during the Great Patriotic War.
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