| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 30579 | 39935 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:31 | 2024 Dec 17 21:58 |
| Time of closest approach (UTC) | 2024 Dec 24 11:41:04.408 |
| Minimum distance | 3.553 km |
| Height difference | -1.377 km |
| Relative speed | 14.707 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 79.1°S, 172.6°E |
| Height | 910 km |
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