| Primary satellite | Secondary satellite |
| Name | NOAA 6 | COSMOS 2251 DEB |
| Spacetrack catalog number | 11416 | 34846 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 May 30 21:53 | 2023 May 31 04:19 |
| Time of closest approach (UTC) | 2023 Mar 29 18:09:09.923 |
| Minimum distance | 213.414 km |
| Height difference | 0.731 km |
| Relative speed | 14.818 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 62.8°N, 11.3°W |
| Height | 788 km |
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