| Primary satellite | Secondary satellite |
| Name | Cosmos 1656 | Cosmos 1833 Rocket |
| Spacetrack catalog number | 15755 | 17590 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Mar 20 13:16 | 2023 Mar 20 08:16 |
| Time of closest approach (UTC) | 2023 Jan 31 12:30:55.766 |
| Minimum distance | 86.683 km |
| Height difference | -1.269 km |
| Relative speed | 13.521 km/s |
| Angle between velocity vectors | 131° |
| Geographic position | 38.9°S, 20.6°E |
| Height | 856 km |
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