| Primary satellite | Secondary satellite |
| Name | Cosmos 2123 Rocket | Cosmos 887 Rocket |
| Spacetrack catalog number | 21090 | 9638 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2022 May 22 21:09 | 2022 May 22 17:57 |
| Time of closest approach (UTC) | 2022 Jan 31 02:32:06.426 |
| Minimum distance | 112.866 km |
| Height difference | 2.631 km |
| Relative speed | 14.437 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 47.0°N, 64.9°E |
| Height | 995 km |
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