| Primary satellite | Secondary satellite |
| Name | Cosmos 1743 | CZ-2D DEB |
| Spacetrack catalog number | 16719 | 31409 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 14 20:25 | 2021 Jan 13 20:38 |
| Time of closest approach (UTC) | 2020 Dec 02 09:05:04.340 |
| Minimum distance | 5.447 km |
| Height difference | 4.723 km |
| Relative speed | 15.142 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 82.6°S, 104.7°W |
| Height | 540 km |
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