| Primary satellite | Secondary satellite |
| Name | Cosmos 1743 | ASTROCAST-0205 |
| Spacetrack catalog number | 16719 | 48960 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Jul 15 15:04 | 2025 Jul 15 17:45 |
| Time of closest approach (UTC) | 2024 Jun 13 21:47:54.683 |
| Minimum distance | 2744.948 km |
| Height difference | -61.254 km |
| Relative speed | 7.726 km/s |
| Angle between velocity vectors | 60° |
| Geographic position | 60.9°N, 61.0°W |
| Height | 462 km |
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