| Primary satellite | Secondary satellite |
| Name | NADEZHDA 7 | deb Kosmos-1275 |
| Spacetrack catalog number | 27534 | 12745 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Oct 03 23:12 | 2023 Oct 04 01:28 |
| Time of closest approach (UTC) | 2023 Jun 10 14:29:03.646 |
| Minimum distance | 360.871 km |
| Height difference | -2.576 km |
| Relative speed | 14.393 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 62.1°N, 116.0°E |
| Height | 979 km |
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