| Primary satellite | Secondary satellite |
| Name | Cosmos 1954 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 19257 | 30521 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 06 10:52 | 2024 Dec 06 18:21 |
| Time of closest approach (UTC) | 2024 Nov 10 16:05:49.460 |
| Minimum distance | 44.220 km |
| Height difference | -2.909 km |
| Relative speed | 13.592 km/s |
| Angle between velocity vectors | 131° |
| Geographic position | 73.9°S, 88.4°W |
| Height | 780 km |
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