| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Cosmos 1758 |
| Spacetrack catalog number | 31090 | 16791 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:59 | 2024 Dec 23 02:51 |
| Time of closest approach (UTC) | 2024 Dec 28 10:32:03.137 |
| Minimum distance | 3.390 km |
| Height difference | 2.692 km |
| Relative speed | 15.164 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 71.4°S, 168.4°E |
| Height | 548 km |
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