| Primary satellite | Secondary satellite |
| Name | THORAD AGENA D DEB | Kosmos-1808 |
| Spacetrack catalog number | 42521 | 17239 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:55 | 2024 Dec 22 17:25 |
| Time of closest approach (UTC) | 2024 Dec 25 00:31:59.659 |
| Minimum distance | 4.416 km |
| Height difference | -3.932 km |
| Relative speed | 14.681 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 63.4°S, 57.8°W |
| Height | 1001 km |
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