3635 Kreutz
| Discovery | |
|---|---|
| Discovered by | L. Kohoutek | 
| Discovery site | Calar Alto Obs. | 
| Discovery date | 21 November 1981 | 
| Designations | |
| (3635) Kreutz | |
Named after  | Heinrich Kreutz (German astronomer)  | 
| 1981 WO1 | |
| Mars-crosser · Hungaria | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 34.61 yr (12,641 days) | 
| Aphelion | 1.9461 AU | 
| Perihelion | 1.6434 AU | 
| 1.7947 AU | |
| Eccentricity | 0.0843 | 
| 2.40 yr (878 days) | |
| 273.37° | |
| 0° 24m 35.64s / day | |
| Inclination | 19.223° | 
| 235.35° | |
| 249.10° | |
| Physical characteristics | |
| Dimensions | 2.94±0.59 km 3.41 km (calculated)  | 
| 39±2 h (dated) 280±5 h  | |
| 0.20 (assumed) 0.269±0.108  | |
| SMASS = S | |
| 14.7 | |
3635 Kreutz, provisional designation 1981 WO1, is a slowly rotating Hungaria asteroid and Mars-crosser from the innermost regions of the asteroid belt, approximately 3 kilometers in diameter. It was discovered on 21 November 1981, by Czech astronomer Luboš Kohoutek at the Calar Alto Observatory in southern Spain.