| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | COSMOS 2535 |
| Spacetrack catalog number | 47059 | 44421 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 18 23:17 | 2024 Dec 23 10:49 |
| Time of closest approach (UTC) | 2024 Dec 27 14:55:44.846 |
| Minimum distance | 4.608 km |
| Height difference | 4.422 km |
| Relative speed | 15.058 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 38.9°N, 72.2°E |
| Height | 604 km |
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