| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 34953 | 41291 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 09:54 | 2024 Dec 20 00:47 |
| Time of closest approach (UTC) | 2024 Dec 28 01:03:30.134 |
| Minimum distance | 3.612 km |
| Height difference | 2.930 km |
| Relative speed | 13.730 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 74.0°S, 127.3°E |
| Height | 747 km |
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