| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | deb Kosmos-249 |
| Spacetrack catalog number | 42320 | 15535 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 21:27 | 2024 Dec 22 22:57 |
| Time of closest approach (UTC) | 2024 Dec 23 17:13:06.782 |
| Minimum distance | 1.386 km |
| Height difference | -0.309 km |
| Relative speed | 14.689 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 18.2°S, 148.8°W |
| Height | 780 km |
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