| Primary satellite | Secondary satellite |
| Name | Cosmos 1000 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 10777 | 33601 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:51 | 2024 Dec 20 10:22 |
| Time of closest approach (UTC) | 2024 Dec 25 12:56:41.528 |
| Minimum distance | 1.782 km |
| Height difference | -1.321 km |
| Relative speed | 14.525 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 80.6°S, 9.3°E |
| Height | 1017 km |
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