| Primary satellite | Secondary satellite |
| Name | NOAA 16 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 41152 | 33762 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 05:26 | 2024 Dec 23 03:49 |
| Time of closest approach (UTC) | 2024 Dec 29 16:16:57.985 |
| Minimum distance | 4.047 km |
| Height difference | -3.261 km |
| Relative speed | 12.910 km/s |
| Angle between velocity vectors | 120° |
| Geographic position | 74.1°S, 157.2°E |
| Height | 812 km |
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