2004 Lexell
2004 Lexell, provisional designation 1973 SV2, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 7.5 kilometers in diameter. The asteroid was discovered on 22 September 1973, by Soviet astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula, and later named for Swedish-Russian astronomer and mathematician Anders Johan Lexell.
| Discovery | |
|---|---|
| Discovered by | N. Chernykh |
| Discovery site | Crimean Astrophysical Obs. |
| Discovery date | 22 September 1973 |
| Designations | |
| (2004) Lexell | |
Named after | Anders Johan Lexell (Swedish-Russian astronomer) |
| 1973 SV2 · 1938 WL 1941 SN1 · 1959 GC 1972 HK | |
| main-belt · Flora | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 78.55 yr (28,689 days) |
| Aphelion | 2.3451 AU |
| Perihelion | 1.9986 AU |
| 2.1718 AU | |
| Eccentricity | 0.0798 |
| 3.20 yr (1,169 days) | |
| 215.94° | |
| 0° 18m 28.44s / day | |
| Inclination | 2.4967° |
| 4.5440° | |
| 58.504° | |
| Physical characteristics | |
| Dimensions | 7.255±0.216 km 7.456±0.084 km 7.82 km (calculated) 14.7 km |
| 5.44±0.02 h 5.441±0.002 h 5.4429±0.0003 h | |
| 0.056 0.24 (assumed) 0.2908±0.0522 0.306±0.041 | |
| LS · S | |
| 12.6 · 12.7 · 12.908±0.064 · 13.04±0.00 | |
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