| Primary satellite | Secondary satellite |
| Name | NOAA 16 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 42373 | 35594 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 14:02 | 2024 Dec 22 08:02 |
| Time of closest approach (UTC) | 2024 Dec 25 23:17:42.379 |
| Minimum distance | 0.853 km |
| Height difference | -0.778 km |
| Relative speed | 15.001 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 52.1°S, 150.9°W |
| Height | 639 km |
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