| Primary satellite | Secondary satellite |
| Name | Cosmos 540 Rocket | Cosmos 1898 Rocket |
| Spacetrack catalog number | 6324 | 18586 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 06 14:40 | 2024 Dec 06 14:43 |
| Time of closest approach (UTC) | 2024 Nov 18 14:50:29.166 |
| Minimum distance | 10.409 km |
| Height difference | 4.460 km |
| Relative speed | 13.461 km/s |
| Angle between velocity vectors | 128° |
| Geographic position | 51.1°N, 141.3°W |
| Height | 755 km |
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