| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 34814 | 41539 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:55 | 2024 Dec 22 06:25 |
| Time of closest approach (UTC) | 2024 Dec 24 03:09:37.970 |
| Minimum distance | 4.745 km |
| Height difference | 4.352 km |
| Relative speed | 14.431 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 71.1°S, 3.4°W |
| Height | 770 km |
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