| 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 06 23:12 | 2021 Mar 06 21:31 |
| Time of closest approach (UTC) | 2021 Jan 24 16:28:46.076 |
| Minimum distance | 9.117 km |
| Height difference | -6.149 km |
| Relative speed | 11.149 km/s |
| Angle between velocity vectors | 95° |
| Geographic position | 66.0°S, 82.6°E |
| Height | 649 km |
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