| Primary satellite | Secondary satellite |
| Name | UNK | Cosmos 44 Rocket |
| Spacetrack catalog number | 28479 | 877 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:02 | 2024 Dec 23 00:15 |
| Time of closest approach (UTC) | 2024 Dec 24 19:54:39.362 |
| Minimum distance | 4.882 km |
| Height difference | 3.577 km |
| Relative speed | 14.813 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 24.3°S, 20.2°W |
| Height | 694 km |
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