| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F11 DEB | Cosmos 1656 |
| Spacetrack catalog number | 28308 | 15755 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 02:01 | 2024 Dec 23 04:14 |
| Time of closest approach (UTC) | 2024 Dec 26 05:13:22.208 |
| Minimum distance | 3.055 km |
| Height difference | 2.833 km |
| Relative speed | 7.790 km/s |
| Angle between velocity vectors | 63° |
| Geographic position | 62.4°N, 162.3°W |
| Height | 810 km |
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