| Primary satellite | Secondary satellite |
| Name | Cosmos 1782 | TIANMU-1 11 |
| Spacetrack catalog number | 16986 | 58645 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Sep 08 23:41 | 2024 Sep 09 05:24 |
| Time of closest approach (UTC) | 2024 Aug 15 18:56:51.704 |
| Minimum distance | 14.050 km |
| Height difference | -3.191 km |
| Relative speed | 15.013 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 82.6°S, 106.7°E |
| Height | 547 km |
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