| Primary satellite | Secondary satellite |
| Name | DMSP 7529 | COSMOS 2251 DEB |
| Spacetrack catalog number | 6787 | 35012 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:13 | 2024 Dec 22 13:32 |
| Time of closest approach (UTC) | 2024 Dec 23 21:39:37.251 |
| Minimum distance | 4.470 km |
| Height difference | 3.938 km |
| Relative speed | 14.758 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 57.6°N, 147.3°E |
| Height | 803 km |
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