| Primary satellite | Secondary satellite |
| Name | deb Delta | COSMOS 1275 DEB |
| Spacetrack catalog number | 21473 | 39947 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:26 | 2024 Dec 21 00:32 |
| Time of closest approach (UTC) | 2024 Dec 27 10:23:02.949 |
| Minimum distance | 3.929 km |
| Height difference | 2.527 km |
| Relative speed | 14.795 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 65.4°S, 55.8°W |
| Height | 960 km |
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