| Primary satellite | Secondary satellite |
| Name | Cosmos 1125 Rocket | DPAF |
| Spacetrack catalog number | 11511 | 25161 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Nov 14 06:50 | 2025 Nov 14 01:05 |
| Time of closest approach (UTC) | 2025 Oct 11 00:10:32.113 |
| Minimum distance | 26.695 km |
| Height difference | -1.477 km |
| Relative speed | 14.710 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 71.7°N, 165.2°E |
| Height | 777 km |
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