2613 Plzeň
2613 Plzeň, provisional designation 1979 QE, is an asteroid from the outer region of the asteroid belt, approximately 28 kilometers in diameter. It was discovered on 30 August 1979, by Czech astronomer Ladislav Brožek at the South Bohemian Kleť Observatory in the Czech Republic. It was later named for the Czech city of Plzeň.
| Discovery | |
|---|---|
| Discovered by | L. Brožek |
| Discovery site | Kleť Obs. |
| Discovery date | 30 August 1979 |
| Designations | |
MPC designation | (2613) Plzeň |
Named after | Plzeň (Czech city) |
Alternative designations | 1979 QE · 1969 XA |
Minor planet category | main-belt · (outer) |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 47.16 yr (17,224 days) |
| Aphelion | 3.1789 AU |
| Perihelion | 2.9028 AU |
Semi-major axis | 3.0408 AU |
| Eccentricity | 0.0454 |
Orbital period (sidereal) | 5.30 yr (1,937 days) |
Mean anomaly | 310.56° |
Mean motion | 0° 11m 9.24s / day |
| Inclination | 13.017° |
Longitude of ascending node | 277.58° |
| 192.11° | |
| Physical characteristics | |
| Dimensions | 22±9 km (generic) 28.007±0.132 km 28.18 km (IRAS:3) |
| 0.0737 (IRAS:3) 0.077±0.010 | |
| 11.4 | |
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