| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | deb Delta 139 |
| Spacetrack catalog number | 17618 | 12195 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 22 20:50 |
| Time of closest approach (UTC) | 2024 Dec 26 18:11:29.539 |
| Minimum distance | 1.559 km |
| Height difference | -1.344 km |
| Relative speed | 12.030 km/s |
| Angle between velocity vectors | 108° |
| Geographic position | 80.0°N, 114.7°W |
| Height | 886 km |
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