| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 33986 | 41652 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:32 | 2024 Dec 22 00:45 |
| Time of closest approach (UTC) | 2024 Dec 24 06:08:59.457 |
| Minimum distance | 2.134 km |
| Height difference | -2.101 km |
| Relative speed | 14.451 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 70.7°S, 73.2°W |
| Height | 805 km |
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