| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 33842 | 41052 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 11:43 | 2024 Dec 23 00:50 |
| Time of closest approach (UTC) | 2024 Dec 24 10:36:43.369 |
| Minimum distance | 4.889 km |
| Height difference | 1.285 km |
| Relative speed | 13.688 km/s |
| Angle between velocity vectors | 132° |
| Geographic position | 73.9°S, 162.5°E |
| Height | 775 km |
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