| Primary satellite | Secondary satellite |
| Name | SL-14 DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 39976 | 13021 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 10:00 | 2024 Dec 22 10:59 |
| Time of closest approach (UTC) | 2024 Dec 26 20:36:39.114 |
| Minimum distance | 2.269 km |
| Height difference | 1.813 km |
| Relative speed | 10.945 km/s |
| Angle between velocity vectors | 95° |
| Geographic position | 79.4°N, 30.0°W |
| Height | 893 km |
|