| Primary satellite | Secondary satellite |
| Name | Cosmos 1726 Rocket | YAOGAN 10 |
| Spacetrack catalog number | 16496 | 36834 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Mar 08 19:03 | 2021 Mar 08 17:25 |
| Time of closest approach (UTC) | 2021 Jan 24 04:49:23.222 |
| Minimum distance | 3.067 km |
| Height difference | -0.501 km |
| Relative speed | 15.050 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 77.7°S, 124.1°W |
| Height | 654 km |
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