| Primary satellite | Secondary satellite |
| Name | Cosmos 540 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 6324 | 38506 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 21 21:55 | 2023 Sep 20 13:04 |
| Time of closest approach (UTC) | 2023 Jun 01 19:47:22.342 |
| Minimum distance | 2902.476 km |
| Height difference | 24.015 km |
| Relative speed | 7.595 km/s |
| Angle between velocity vectors | 61° |
| Geographic position | 50.8°N, 133.5°W |
| Height | 753 km |
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