| Primary satellite | Secondary satellite |
| Name | Cosmos 1328 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 12988 | 31537 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 13:29 | 2024 Dec 21 14:18 |
| Time of closest approach (UTC) | 2024 Dec 25 18:35:30.861 |
| Minimum distance | 3.041 km |
| Height difference | -2.437 km |
| Relative speed | 13.126 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 80.2°S, 131.1°W |
| Height | 648 km |
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