| Primary satellite | Secondary satellite |
| Name | deb r/b (DELTA) | COSMOS 2251 DEB |
| Spacetrack catalog number | 18467 | 33757 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:24 | 2024 Dec 22 20:24 |
| Time of closest approach (UTC) | 2024 Dec 29 13:25:43.258 |
| Minimum distance | 1.662 km |
| Height difference | 0.679 km |
| Relative speed | 13.824 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 73.7°N, 42.3°E |
| Height | 800 km |
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