| Primary satellite | Secondary satellite |
| Name | Cosmos 1980 | FENGYUN 1C DEB |
| Spacetrack catalog number | 19649 | 31533 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:23 | 2024 Dec 16 22:00 |
| Time of closest approach (UTC) | 2024 Dec 28 07:19:19.117 |
| Minimum distance | 1.045 km |
| Height difference | -0.864 km |
| Relative speed | 14.746 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 40.8°N, 139.1°W |
| Height | 846 km |
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