| Primary satellite | Secondary satellite |
| Name | Cosmos 1656 | NOAA 16 DEB |
| Spacetrack catalog number | 15755 | 41500 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 20 13:16 | 2023 Mar 20 08:53 |
| Time of closest approach (UTC) | 2023 Jan 29 12:43:48.534 |
| Minimum distance | 307.114 km |
| Height difference | -11.726 km |
| Relative speed | 14.775 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 37.8°S, 125.2°W |
| Height | 850 km |
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