| Primary satellite | Secondary satellite |
| Name | Cosmos 1447 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 13917 | 33673 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 07 22:35 | 2024 Sep 07 20:39 |
| Time of closest approach (UTC) | 2024 Aug 20 00:09:07.355 |
| Minimum distance | 4.191 km |
| Height difference | -2.457 km |
| Relative speed | 14.545 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 76.7°S, 20.3°W |
| Height | 1019 km |
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