| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 42188 | 40677 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:43 | 2024 Dec 18 18:58 |
| Time of closest approach (UTC) | 2024 Dec 24 07:32:37.437 |
| Minimum distance | 4.821 km |
| Height difference | 4.803 km |
| Relative speed | 14.845 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 74.5°S, 160.0°W |
| Height | 842 km |
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