| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 34430 | 42385 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:42 | 2024 Dec 21 23:23 |
| Time of closest approach (UTC) | 2024 Dec 28 23:07:35.601 |
| Minimum distance | 4.434 km |
| Height difference | 4.287 km |
| Relative speed | 14.461 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 70.0°S, 12.9°E |
| Height | 815 km |
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