| Primary satellite | Secondary satellite |
| Name | Cosmos 1125 Rocket | CZ-6A DEB |
| Spacetrack catalog number | 11511 | 54280 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 14 06:50 | 2025 Nov 14 00:14 |
| Time of closest approach (UTC) | 2025 Oct 16 14:26:02.335 |
| Minimum distance | 125.365 km |
| Height difference | -6.649 km |
| Relative speed | 14.833 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 48.9°S, 75.2°E |
| Height | 787 km |
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