| Primary satellite | Secondary satellite |
| Name | Cosmos 1125 Rocket | Cosmos 44 |
| Spacetrack catalog number | 11511 | 876 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2025 Nov 14 06:50 | 2025 Nov 14 04:30 |
| Time of closest approach (UTC) | 2025 Oct 16 01:49:55.505 |
| Minimum distance | 5.589 km |
| Height difference | 4.494 km |
| Relative speed | 13.560 km/s |
| Angle between velocity vectors | 131° |
| Geographic position | 32.8°N, 77.2°E |
| Height | 762 km |
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