| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 42562 | 12739 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 07:01 | 2024 Dec 22 23:40 |
| Time of closest approach (UTC) | 2024 Dec 26 01:29:35.231 |
| Minimum distance | 3.198 km |
| Height difference | -2.873 km |
| Relative speed | 14.866 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 77.5°N, 83.8°W |
| Height | 773 km |
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