| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 35789 | 42419 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:34 | 2024 Dec 21 11:57 |
| Time of closest approach (UTC) | 2024 Dec 25 21:36:30.847 |
| Minimum distance | 3.421 km |
| Height difference | -1.730 km |
| Relative speed | 12.687 km/s |
| Angle between velocity vectors | 116° |
| Geographic position | 74.0°N, 110.9°W |
| Height | 766 km |
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