| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 30633 | 42136 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 05:15 | 2024 Dec 18 21:20 |
| Time of closest approach (UTC) | 2024 Dec 23 15:21:15.840 |
| Minimum distance | 4.406 km |
| Height difference | 4.138 km |
| Relative speed | 14.542 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 81.3°N, 155.2°W |
| Height | 901 km |
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