| Primary satellite | Secondary satellite |
| Name | THORAD AGENA D DEB | Kosmos-1153 |
| Spacetrack catalog number | 42521 | 11680 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 12:55 | 2024 Dec 23 04:23 |
| Time of closest approach (UTC) | 2024 Dec 27 02:16:43.748 |
| Minimum distance | 4.945 km |
| Height difference | 2.113 km |
| Relative speed | 14.760 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 35.6°N, 82.9°E |
| Height | 961 km |
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