| Primary satellite | Secondary satellite |
| Name | SJ-12 | OBJECT T |
| Spacetrack catalog number | 36596 | 43775 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 21:17 | 2021 Mar 05 17:32 |
| Time of closest approach (UTC) | 2021 Jan 22 22:08:25.296 |
| Minimum distance | 259.836 km |
| Height difference | -3.148 km |
| Relative speed | 9.937 km/s |
| Angle between velocity vectors | 82° |
| Geographic position | 78.9°N, 124.1°W |
| Height | 597 km |
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