| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 37089 | 42395 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 13:16 | 2024 Dec 21 07:11 |
| Time of closest approach (UTC) | 2024 Dec 27 01:09:05.493 |
| Minimum distance | 3.636 km |
| Height difference | 1.001 km |
| Relative speed | 10.169 km/s |
| Angle between velocity vectors | 85° |
| Geographic position | 70.9°S, 155.2°W |
| Height | 662 km |
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