| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 676 Rocket |
| Spacetrack catalog number | 31071 | 7434 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 08:56 | 2024 Dec 23 01:48 |
| Time of closest approach (UTC) | 2024 Dec 27 04:41:58.994 |
| Minimum distance | 2.855 km |
| Height difference | -2.517 km |
| Relative speed | 14.543 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 70.1°N, 86.8°E |
| Height | 777 km |
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