| Primary satellite | Secondary satellite |
| Name | BEIJING 3B | Cosmos 1300 Rocket |
| Spacetrack catalog number | 53587 | 12786 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 13:24 | 2024 Dec 23 19:25 |
| Time of closest approach (UTC) | 2024 Dec 26 10:12:35.429 |
| Minimum distance | 3.675 km |
| Height difference | 3.231 km |
| Relative speed | 15.068 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 47.9°S, 1.8°W |
| Height | 634 km |
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