| Primary satellite | Secondary satellite |
| Name | Cosmos 1000 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 10777 | 31235 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:51 | 2024 Dec 18 17:04 |
| Time of closest approach (UTC) | 2024 Dec 29 04:31:25.835 |
| Minimum distance | 3.225 km |
| Height difference | 2.005 km |
| Relative speed | 14.698 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 3.9°N, 177.9°E |
| Height | 961 km |
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