| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 42562 | 34058 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 07:01 | 2024 Dec 23 13:41 |
| Time of closest approach (UTC) | 2024 Dec 29 23:32:41.915 |
| Minimum distance | 5.240 km |
| Height difference | 2.503 km |
| Relative speed | 14.564 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 70.4°N, 55.9°E |
| Height | 796 km |
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