| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | deb Kosmos-1066 |
| Spacetrack catalog number | 12673 | 19643 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:38 | 2024 Dec 22 18:43 |
| Time of closest approach (UTC) | 2024 Dec 24 09:49:04.894 |
| Minimum distance | 0.597 km |
| Height difference | -0.587 km |
| Relative speed | 13.627 km/s |
| Angle between velocity vectors | 134° |
| Geographic position | 69.4°N, 131.8°E |
| Height | 884 km |
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