| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 | FENGYUN 1C DEB |
| Spacetrack catalog number | 19649 | 37902 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:23 | 2024 Dec 23 03:59 |
| Time of closest approach (UTC) | 2024 Dec 26 23:12:58.332 |
| Minimum distance | 4.794 km |
| Height difference | -3.618 km |
| Relative speed | 14.576 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 63.4°N, 12.6°E |
| Height | 851 km |
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