| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 29812 | 42230 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:06 | 2024 Dec 21 13:41 |
| Time of closest approach (UTC) | 2024 Dec 29 11:28:14.268 |
| Minimum distance | 3.542 km |
| Height difference | 1.707 km |
| Relative speed | 14.804 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 49.0°S, 44.6°W |
| Height | 892 km |
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