| Primary satellite | Secondary satellite |
| Name | Cosmos 2123 Rocket | Kosmos-2218 |
| Spacetrack catalog number | 21090 | 22207 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Sep 13 12:54 | 2024 Sep 13 18:10 |
| Time of closest approach (UTC) | 2024 Aug 16 22:55:49.608 |
| Minimum distance | 7.211 km |
| Height difference | 6.647 km |
| Relative speed | 14.609 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 8.8°S, 39.8°W |
| Height | 979 km |
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