| Primary satellite | Secondary satellite |
| Name | Cosmos 1818 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17369 | 35174 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 03 11:00 | 2024 Dec 02 01:18 |
| Time of closest approach (UTC) | 2024 Nov 12 20:14:42.291 |
| Minimum distance | 111.392 km |
| Height difference | 4.417 km |
| Relative speed | 14.531 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 43.4°S, 54.1°E |
| Height | 792 km |
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