| Primary satellite | Secondary satellite |
| Name | Cosmos 1447 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 13917 | 31989 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 07 22:35 | 2024 Sep 07 09:52 |
| Time of closest approach (UTC) | 2024 Aug 16 15:16:28.532 |
| Minimum distance | 3.909 km |
| Height difference | -2.440 km |
| Relative speed | 14.739 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 57.0°N, 76.3°E |
| Height | 962 km |
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