| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 39586 | 41147 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 02:55 | 2024 Dec 19 08:56 |
| Time of closest approach (UTC) | 2024 Dec 23 15:38:31.395 |
| Minimum distance | 1.766 km |
| Height difference | -1.209 km |
| Relative speed | 12.604 km/s |
| Angle between velocity vectors | 116° |
| Geographic position | 73.9°N, 85.1°W |
| Height | 840 km |
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