| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 33994 | 41404 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:16 | 2024 Dec 20 23:58 |
| Time of closest approach (UTC) | 2024 Dec 24 09:54:44.855 |
| Minimum distance | 2.910 km |
| Height difference | 1.426 km |
| Relative speed | 8.433 km/s |
| Angle between velocity vectors | 69° |
| Geographic position | 67.2°N, 75.5°W |
| Height | 766 km |
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