| Primary satellite | Secondary satellite |
| Name | SJ-12 | SL-24 R/B |
| Spacetrack catalog number | 36596 | 31699 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Mar 05 21:17 | 2021 Mar 05 18:43 |
| Time of closest approach (UTC) | 2021 Jan 23 03:13:30.446 |
| Minimum distance | 39.455 km |
| Height difference | 1.491 km |
| Relative speed | 15.019 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 37.0°N, 28.5°E |
| Height | 589 km |
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