| Primary satellite | Secondary satellite |
| Name | Cosmos 1943 Rocket | deb Kosmos-1275 |
| Spacetrack catalog number | 19120 | 13811 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 17 15:53 | 2025 Nov 17 15:52 |
| Time of closest approach (UTC) | 2025 Oct 17 16:10:45.448 |
| Minimum distance | 354.973 km |
| Height difference | 4.724 km |
| Relative speed | 6.195 km/s |
| Angle between velocity vectors | 49° |
| Geographic position | 70.3°N, 174.9°E |
| Height | 846 km |
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