| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 37089 | 42408 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 13:16 | 2024 Dec 21 02:22 |
| Time of closest approach (UTC) | 2024 Dec 25 15:17:04.034 |
| Minimum distance | 1.304 km |
| Height difference | -1.284 km |
| Relative speed | 4.900 km/s |
| Angle between velocity vectors | 39° |
| Geographic position | 49.7°N, 77.9°W |
| Height | 848 km |
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