| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos- 1791 |
| Spacetrack catalog number | 30688 | 18552 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 17:35 | 2024 Dec 23 00:46 |
| Time of closest approach (UTC) | 2024 Dec 26 11:17:00.510 |
| Minimum distance | 3.449 km |
| Height difference | -3.357 km |
| Relative speed | 13.809 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 81.2°N, 65.6°E |
| Height | 822 km |
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