| Primary satellite | Secondary satellite |
| Name | Cosmos 1743 | ASNARO |
| Spacetrack catalog number | 16719 | 40298 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Jan 17 19:53 | 2021 Jan 18 02:11 |
| Time of closest approach (UTC) | 2020 Nov 28 21:06:09.261 |
| Minimum distance | 650.899 km |
| Height difference | -3.717 km |
| Relative speed | 14.445 km/s |
| Angle between velocity vectors | 144° |
| Geographic position | 80.3°S, 41.3°E |
| Height | 538 km |
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