| 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 Jun 24 19:01 | 2022 Jun 24 17:48 |
| Time of closest approach (UTC) | 2022 May 26 05:00:09.477 |
| Minimum distance | 168.021 km |
| Height difference | -2.799 km |
| Relative speed | 6.862 km/s |
| Angle between velocity vectors | 54° |
| Geographic position | 29.3°N, 105.4°W |
| Height | 560 km |
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