| 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 17 19:53 | 2021 Jan 17 21:10 |
| Time of closest approach (UTC) | 2020 Nov 28 00:35:02.067 |
| Minimum distance | 2.423 km |
| Height difference | 1.312 km |
| Relative speed | 15.187 km/s |
| Angle between velocity vectors | 180° |
| Geographic position | 76.7°S, 87.6°E |
| Height | 539 km |
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