| Primary satellite | Secondary satellite |
| Name | SENTINEL 1B | HAWK-9C |
| Spacetrack catalog number | 41456 | 59448 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Nov 17 19:20 | 2025 Nov 17 15:03 |
| Time of closest approach (UTC) | 2025 Oct 17 18:20:40.895 |
| Minimum distance | 32.962 km |
| Height difference | -2.543 km |
| Relative speed | 12.497 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 44.7°N, 136.6°W |
| Height | 580 km |
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