10258 Sárneczky
10258 Sárneczky, provisional designation 1940 AB, is a background asteroid from the outer regions of the asteroid belt, approximately 14 kilometers in diameter. It was discovered on 6 January 1940, by Hungarian astronomer György Kulin at the Konkoly Observatory, near Budapest. The asteroid was named after Hungarian astronomer Krisztián Sárneczky.
| Discovery | |
|---|---|
| Discovered by | G. Kulin |
| Discovery site | Konkoly Obs. |
| Discovery date | 6 January 1940 |
| Designations | |
MPC designation | (10258) Sárneczky |
Named after | Krisztián Sárneczky (Hungarian astronomer) |
Alternative designations | 1940 AB · 1988 RZ4 1989 WK7 · 1989 WL6 1998 KD53 |
Minor planet category | main-belt · (outer) background |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 77.74 yr (28,393 days) |
| Aphelion | 3.4567 AU |
| Perihelion | 2.8649 AU |
Semi-major axis | 3.1608 AU |
| Eccentricity | 0.0936 |
Orbital period (sidereal) | 5.62 yr (2,053 days) |
Mean anomaly | 339.90° |
Mean motion | 0° 10m 31.44s / day |
| Inclination | 14.192° |
Longitude of ascending node | 128.78° |
| 291.32° | |
| Physical characteristics | |
| Dimensions | 14.275±0.264 km |
| 0.151±0.026 | |
| 12.1 | |
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