| Primary satellite | Secondary satellite |
| Name | Cosmos 1447 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 13917 | 31195 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 07 22:35 | 2024 Sep 04 13:05 |
| Time of closest approach (UTC) | 2024 Aug 17 21:35:08.908 |
| Minimum distance | 5.479 km |
| Height difference | 3.309 km |
| Relative speed | 14.539 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 77.8°S, 25.3°E |
| Height | 1018 km |
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