| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 33899 | 41709 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:32 | 2024 Dec 23 10:03 |
| Time of closest approach (UTC) | 2024 Dec 28 11:50:39.864 |
| Minimum distance | 56.693 km |
| Height difference | -1.213 km |
| Relative speed | 13.985 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 73.7°S, 38.5°E |
| Height | 726 km |
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