| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1782 Rocket |
| Spacetrack catalog number | 31810 | 16987 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 18:39 | 2024 Dec 23 04:01 |
| Time of closest approach (UTC) | 2024 Dec 28 06:49:16.312 |
| Minimum distance | 2.080 km |
| Height difference | -0.651 km |
| Relative speed | 13.711 km/s |
| Angle between velocity vectors | 129° |
| Geographic position | 81.3°N, 111.1°E |
| Height | 631 km |
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