| Primary satellite | Secondary satellite |
| Name | Cosmos 540 Rocket | CSL-04 DEB |
| Spacetrack catalog number | 6324 | 26199 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Sep 28 03:33 | 2023 Sep 28 08:40 |
| Time of closest approach (UTC) | 2023 Jun 07 11:38:10.265 |
| Minimum distance | 420.779 km |
| Height difference | 18.191 km |
| Relative speed | 14.867 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 56.2°S, 72.7°W |
| Height | 761 km |
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