| Primary satellite | Secondary satellite |
| Name | STRAND 1 | ZY-1 02E |
| Spacetrack catalog number | 39090 | 50465 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Apr 27 10:18 | 2025 Apr 27 14:54 |
| Time of closest approach (UTC) | 2024 Apr 25 05:39:56.925 |
| Minimum distance | 3044.501 km |
| Height difference | 6.804 km |
| Relative speed | 12.447 km/s |
| Angle between velocity vectors | 113° |
| Geographic position | 56.5°N, 160.0°W |
| Height | 777 km |
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