| Primary satellite | Secondary satellite |
| Name | Cosmos 1656 | DMSP 7529 |
| Spacetrack catalog number | 15755 | 6787 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Sep 24 06:42 | 2023 Sep 24 14:12 |
| Time of closest approach (UTC) | 2023 Jun 06 23:31:53.850 |
| Minimum distance | 438.580 km |
| Height difference | -5.443 km |
| Relative speed | 9.525 km/s |
| Angle between velocity vectors | 80° |
| Geographic position | 68.4°S, 140.6°E |
| Height | 826 km |
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