| Primary satellite | Secondary satellite |
| Name | COSMOS 2455 | deb Kosmos-1275 |
| Spacetrack catalog number | 36095 | 12949 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Sep 07 19:17 | 2024 Sep 07 08:57 |
| Time of closest approach (UTC) | 2024 Aug 07 12:41:57.470 |
| Minimum distance | 20.043 km |
| Height difference | 7.140 km |
| Relative speed | 12.749 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 58.1°N, 1.4°W |
| Height | 919 km |
|