1517 Beograd
| Discovery | |
|---|---|
| Discovered by | M. B. Protić |
| Discovery site | Belgrade Obs. |
| Discovery date | 20 March 1938 |
| Designations | |
| (1517) Beograd | |
Named after | Belgrade (capital city) |
| 1938 FD · 1931 VF 1934 JF · 1935 ST 1942 CD · 1952 JG 1952 KM1 · 1971 VT 1978 EW6 | |
| main-belt · (middle) Padua | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 85.34 yr (31,171 days) |
| Aphelion | 2.8392 AU |
| Perihelion | 2.5935 AU |
| 2.7164 AU | |
| Eccentricity | 0.0452 |
| 4.48 yr (1,635 days) | |
| 159.08° | |
| 0° 13m 12.72s / day | |
| Inclination | 5.2774° |
| 63.889° | |
| 231.89° | |
| Physical characteristics | |
| Dimensions | 30.97±9.33 km 36.16±1.9 km (IRAS:20) 37.90±0.48 km 39.524±0.219 km 42.003±0.213 km |
| 6.943±0.004 h 6.9490±0.0006 h | |
| 0.0364±0.0021 0.045±0.001 0.0491±0.005 (IRAS:20) 0.050±0.006 0.07±0.03 | |
| SMASS = X · P · X | |
| 11.1 · 11.23±0.66 | |
1517 Beograd, provisional designation 1938 FD, is a dark Paduan asteroid from the central region of the asteroid belt, approximately 36 kilometers in diameter. It was discovered on 20 March 1938, by Serbian astronomer Milorad Protić at Belgrade Astronomical Observatory in Serbia. It is named after the city Belgrade.