| Primary satellite | Secondary satellite |
| Name | Cosmos 540 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 6324 | 33721 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 19 16:20 | 2023 Mar 19 21:36 |
| Time of closest approach (UTC) | 2023 Feb 06 03:50:25.546 |
| Minimum distance | 785.375 km |
| Height difference | 4.094 km |
| Relative speed | 14.397 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 74.0°S, 28.0°W |
| Height | 769 km |
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