| Primary satellite | Secondary satellite |
| Name | CZ-4C R/B | Cosmos 1125 Rocket |
| Spacetrack catalog number | 54701 | 11511 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:02 | 2024 Dec 23 03:53 |
| Time of closest approach (UTC) | 2024 Dec 26 17:05:11.876 |
| Minimum distance | 2.364 km |
| Height difference | 1.051 km |
| Relative speed | 13.691 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 8.7°N, 50.1°W |
| Height | 775 km |
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