| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 676 Rocket |
| Spacetrack catalog number | 31734 | 7434 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 06:07 | 2024 Dec 23 01:48 |
| Time of closest approach (UTC) | 2024 Dec 26 07:56:29.784 |
| Minimum distance | 3.326 km |
| Height difference | 1.652 km |
| Relative speed | 14.514 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 69.6°S, 60.9°W |
| Height | 798 km |
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