| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 35433 | 41652 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 02:11 | 2024 Dec 22 00:45 |
| Time of closest approach (UTC) | 2024 Dec 25 14:15:14.476 |
| Minimum distance | 4.364 km |
| Height difference | 4.168 km |
| Relative speed | 14.845 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 28.7°S, 143.9°E |
| Height | 806 km |
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