| Primary satellite | Secondary satellite |
| Name | Kosmos-1226 | deb NNS O-10 |
| Spacetrack catalog number | 12091 | 2580 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 13 13:47 | 2026 Jan 12 00:53 |
| Time of closest approach (UTC) | 2025 Dec 10 14:31:02.068 |
| Minimum distance | 2.992 km |
| Height difference | -2.886 km |
| Relative speed | 14.443 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 67.9°N, 8.6°E |
| Height | 1006 km |
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