| Primary satellite | Secondary satellite |
| Name | Cosmos 1743 Rocket | deb Chang Zheng 4 |
| Spacetrack catalog number | 16720 | 20877 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:33 | 2024 Dec 22 14:01 |
| Time of closest approach (UTC) | 2024 Dec 26 04:58:40.112 |
| Minimum distance | 0.466 km |
| Height difference | 0.162 km |
| Relative speed | 15.066 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 32.8°S, 147.9°W |
| Height | 640 km |
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