| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | CSL-04 DEB |
| Spacetrack catalog number | 12658 | 26449 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:26 | 2024 Dec 22 15:55 |
| Time of closest approach (UTC) | 2024 Dec 24 08:21:34.209 |
| Minimum distance | 4.385 km |
| Height difference | 4.319 km |
| Relative speed | 14.816 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 78.3°S, 37.9°W |
| Height | 811 km |
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