| Primary satellite | Secondary satellite |
| Name | NOAA 16 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 42373 | 35891 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 14:02 | 2024 Dec 20 00:56 |
| Time of closest approach (UTC) | 2024 Dec 29 02:01:31.214 |
| Minimum distance | 2.827 km |
| Height difference | -0.237 km |
| Relative speed | 15.088 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 14.5°N, 154.6°E |
| Height | 591 km |
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