| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 35433 | 41661 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 02:11 | 2024 Dec 22 09:55 |
| Time of closest approach (UTC) | 2024 Dec 24 07:34:44.377 |
| Minimum distance | 4.431 km |
| Height difference | 2.179 km |
| Relative speed | 12.148 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 73.6°N, 164.1°E |
| Height | 778 km |
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