| Primary satellite | Secondary satellite |
| Name | Cosmos 676 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 7434 | 31071 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:48 | 2024 Dec 21 08:56 |
| Time of closest approach (UTC) | 2024 Dec 27 04:41:58.976 |
| Minimum distance | 2.835 km |
| Height difference | 2.523 km |
| Relative speed | 14.543 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 70.1°N, 86.8°E |
| Height | 774 km |
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