| Primary satellite | Secondary satellite |
| Name | NOAA 16 DEB | deb Kosmos-249 |
| Spacetrack catalog number | 42373 | 3509 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 14:02 | 2024 Dec 22 17:39 |
| Time of closest approach (UTC) | 2024 Dec 23 19:45:43.863 |
| Minimum distance | 4.257 km |
| Height difference | 4.161 km |
| Relative speed | 14.886 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 3.9°N, 110.5°W |
| Height | 598 km |
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