| Primary satellite | Secondary satellite |
| Name | SR | SJ-9B |
| Spacetrack catalog number | 46 | 38861 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2021 Mar 08 09:59 | 2021 Mar 08 20:31 |
| Time of closest approach (UTC) | 2021 Jan 24 16:28:46.465 |
| Minimum distance | 14.402 km |
| Height difference | -6.366 km |
| Relative speed | 11.148 km/s |
| Angle between velocity vectors | 95° |
| Geographic position | 66.1°S, 82.5°E |
| Height | 650 km |
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