| Primary satellite | Secondary satellite |
| Name | SL-4 R/B | HORYU 4 |
| Spacetrack catalog number | 39679 | 41340 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2022 Jul 01 13:10 | 2022 Jul 01 10:45 |
| Time of closest approach (UTC) | 2022 May 26 05:01:00.282 |
| Minimum distance | 394.806 km |
| Height difference | -1.064 km |
| Relative speed | 6.877 km/s |
| Angle between velocity vectors | 54° |
| Geographic position | 28.5°N, 104.7°W |
| Height | 557 km |
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