| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 | FENGYUN 1C DEB |
| Spacetrack catalog number | 19649 | 30728 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:23 | 2024 Dec 21 23:21 |
| Time of closest approach (UTC) | 2024 Dec 29 00:40:35.562 |
| Minimum distance | 4.623 km |
| Height difference | 0.309 km |
| Relative speed | 5.494 km/s |
| Angle between velocity vectors | 43° |
| Geographic position | 49.8°N, 97.2°E |
| Height | 848 km |
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