| Primary satellite | Secondary satellite |
| Name | Cosmos 1331 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 13028 | 29845 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Dec 10 11:29 | 2023 Dec 10 15:45 |
| Time of closest approach (UTC) | 2023 Oct 04 15:08:44.998 |
| Minimum distance | 21.147 km |
| Height difference | -0.396 km |
| Relative speed | 14.910 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 4.7°S, 51.1°E |
| Height | 779 km |
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