| Primary satellite | Secondary satellite |
| Name | ISIS 1 | Sich 1 Rocket |
| Spacetrack catalog number | 3669 | 23659 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Sep 21 21:05 | 2023 Sep 21 18:12 |
| Time of closest approach (UTC) | 2023 Jun 04 11:50:29.447 |
| Minimum distance | 24.340 km |
| Height difference | -2.039 km |
| Relative speed | 15.596 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 14.0°S, 164.4°W |
| Height | 649 km |
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