| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1104 Rocket |
| Spacetrack catalog number | 31834 | 11379 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 16 21:40 | 2024 Dec 23 03:47 |
| Time of closest approach (UTC) | 2024 Dec 25 10:00:25.836 |
| Minimum distance | 3.286 km |
| Height difference | -3.086 km |
| Relative speed | 14.714 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 56.0°N, 170.1°W |
| Height | 968 km |
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