| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 34430 | 41499 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:42 | 2024 Dec 18 03:51 |
| Time of closest approach (UTC) | 2024 Dec 30 01:51:05.692 |
| Minimum distance | 1.306 km |
| Height difference | 1.173 km |
| Relative speed | 14.266 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 72.0°S, 21.8°W |
| Height | 812 km |
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