| 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 07 19:01 | 2021 Mar 08 09:19 |
| Time of closest approach (UTC) | 2021 Jan 27 10:34:28.639 |
| Minimum distance | 4.563 km |
| Height difference | 4.511 km |
| Relative speed | 15.053 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 78.6°S, 113.6°W |
| Height | 649 km |
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