| Primary satellite | Secondary satellite |
| Name | Cosmos 1125 Rocket | CZ-6A DEB |
| Spacetrack catalog number | 11511 | 61370 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 13 05:48 | 2025 Nov 12 22:05 |
| Time of closest approach (UTC) | 2025 Oct 11 03:54:38.189 |
| Minimum distance | 256.331 km |
| Height difference | -9.759 km |
| Relative speed | 14.856 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 13.3°N, 134.4°W |
| Height | 778 km |
|