| Primary satellite | Secondary satellite |
| Name | THORAD AGENA D DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 42521 | 37486 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:55 | 2024 Dec 22 11:14 |
| Time of closest approach (UTC) | 2024 Dec 27 14:39:08.549 |
| Minimum distance | 4.694 km |
| Height difference | -4.360 km |
| Relative speed | 3.350 km/s |
| Angle between velocity vectors | 26° |
| Geographic position | 3.2°S, 110.5°W |
| Height | 965 km |
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