| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 30654 | 42097 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:50 | 2024 Dec 20 12:25 |
| Time of closest approach (UTC) | 2024 Dec 24 12:29:54.460 |
| Minimum distance | 4.114 km |
| Height difference | -2.636 km |
| Relative speed | 14.783 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 54.5°S, 149.6°E |
| Height | 884 km |
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