| Primary satellite | Secondary satellite |
| Name | Cosmos 1656 | CZ-6A DEB |
| Spacetrack catalog number | 15755 | 56260 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 01 21:13 | 2023 Sep 30 11:19 |
| Time of closest approach (UTC) | 2023 Jun 11 09:53:11.385 |
| Minimum distance | 1383.319 km |
| Height difference | -7.206 km |
| Relative speed | 11.133 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 65.8°S, 99.8°W |
| Height | 824 km |
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