| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | NOAA 16 DEB |
| Spacetrack catalog number | 37530 | 41667 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 01:13 | 2024 Dec 21 11:56 |
| Time of closest approach (UTC) | 2024 Dec 29 08:31:58.410 |
| Minimum distance | 3.004 km |
| Height difference | -0.369 km |
| Relative speed | 14.438 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 70.6°S, 101.0°W |
| Height | 819 km |
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