| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 33905 | 41299 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 18:00 | 2024 Dec 22 09:31 |
| Time of closest approach (UTC) | 2024 Dec 29 11:58:58.761 |
| Minimum distance | 3.597 km |
| Height difference | 3.531 km |
| Relative speed | 14.834 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 43.0°S, 53.4°W |
| Height | 815 km |
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