| Primary satellite | Secondary satellite |
| Name | deb Agena D | deb Kosmos-249 |
| Spacetrack catalog number | 4216 | 18549 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:57 | 2024 Dec 22 15:08 |
| Time of closest approach (UTC) | 2024 Dec 30 00:09:21.224 |
| Minimum distance | 2.890 km |
| Height difference | -1.427 km |
| Relative speed | 11.881 km/s |
| Angle between velocity vectors | 104° |
| Geographic position | 49.0°N, 74.5°E |
| Height | 825 km |
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