| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1328 Rocket |
| Spacetrack catalog number | 35169 | 12988 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 00:23 | 2024 Dec 23 02:24 |
| Time of closest approach (UTC) | 2024 Dec 26 01:56:08.061 |
| Minimum distance | 3.201 km |
| Height difference | 0.826 km |
| Relative speed | 15.125 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 77.7°N, 32.3°E |
| Height | 609 km |
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