| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 34430 | 41152 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:42 | 2024 Dec 21 05:26 |
| Time of closest approach (UTC) | 2024 Dec 26 19:25:58.973 |
| Minimum distance | 3.235 km |
| Height difference | 0.871 km |
| Relative speed | 13.304 km/s |
| Angle between velocity vectors | 127° |
| Geographic position | 74.1°S, 109.9°E |
| Height | 812 km |
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