| Primary satellite | Secondary satellite |
| Name | Cosmos 1125 Rocket | CZ-6A DEB |
| Spacetrack catalog number | 11511 | 61155 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 13 00:47 | 2025 Nov 12 07:26 |
| Time of closest approach (UTC) | 2025 Oct 11 09:29:22.943 |
| Minimum distance | 615.218 km |
| Height difference | 2.767 km |
| Relative speed | 14.273 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 65.5°S, 73.7°W |
| Height | 783 km |
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