| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1452 |
| Spacetrack catalog number | 31012 | 13991 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:22 | 2024 Dec 22 18:21 |
| Time of closest approach (UTC) | 2024 Dec 26 00:08:51.885 |
| Minimum distance | 2.459 km |
| Height difference | -1.948 km |
| Relative speed | 13.997 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 73.4°S, 63.4°W |
| Height | 802 km |
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