| Primary satellite | Secondary satellite |
| Name | Cosmos 1447 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 13917 | 31531 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 07 13:35 | 2024 Sep 02 09:34 |
| Time of closest approach (UTC) | 2024 Aug 18 00:26:09.474 |
| Minimum distance | 4.367 km |
| Height difference | 2.123 km |
| Relative speed | 14.674 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 51.4°N, 61.4°W |
| Height | 961 km |
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