| Primary satellite | Secondary satellite |
| Name | Cosmos 1000 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 10777 | 33658 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:51 | 2024 Dec 20 17:00 |
| Time of closest approach (UTC) | 2024 Dec 24 10:42:39.827 |
| Minimum distance | 4.889 km |
| Height difference | 2.974 km |
| Relative speed | 14.594 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 76.5°S, 56.4°W |
| Height | 1019 km |
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