| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | THORAD AGENA D DEB |
| Spacetrack catalog number | 35824 | 42522 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 06:36 | 2024 Dec 22 11:58 |
| Time of closest approach (UTC) | 2024 Dec 28 22:13:06.680 |
| Minimum distance | 4.726 km |
| Height difference | -2.933 km |
| Relative speed | 14.622 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 35.5°S, 155.4°W |
| Height | 1019 km |
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