| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos- 1980 |
| Spacetrack catalog number | 30492 | 20301 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:32 | 2024 Dec 23 05:05 |
| Time of closest approach (UTC) | 2024 Dec 27 19:53:18.003 |
| Minimum distance | 2.321 km |
| Height difference | -1.176 km |
| Relative speed | 14.262 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 69.6°N, 146.8°E |
| Height | 868 km |
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