| Primary satellite | Secondary satellite |
| Name | BREEZE-KM R/B | Kosmos-647 |
| Spacetrack catalog number | 40556 | 7271 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Nov 16 12:34 | 2025 Nov 16 16:13 |
| Time of closest approach (UTC) | 2025 Oct 19 08:15:29.079 |
| Minimum distance | 5.526 km |
| Height difference | 3.194 km |
| Relative speed | 12.518 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 64.2°N, 19.4°E |
| Height | 1469 km |
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