| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | deb Agena D |
| Spacetrack catalog number | 12673 | 5691 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:38 | 2024 Dec 23 04:03 |
| Time of closest approach (UTC) | 2024 Dec 28 23:41:02.071 |
| Minimum distance | 4.108 km |
| Height difference | 0.754 km |
| Relative speed | 13.715 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 81.1°S, 62.6°E |
| Height | 882 km |
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