| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 34814 | 41532 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:55 | 2024 Dec 23 04:57 |
| Time of closest approach (UTC) | 2024 Dec 29 12:50:37.061 |
| Minimum distance | 1.008 km |
| Height difference | -0.970 km |
| Relative speed | 14.617 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 66.6°N, 0.5°E |
| Height | 818 km |
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