| Primary satellite | Secondary satellite |
| Name | Oscar 19 | Iridium 63 |
| Spacetrack catalog number | 20442 | 25286 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Sep 29 19:33 | 2023 Sep 30 04:59 |
| Time of closest approach (UTC) | 2023 Jun 02 05:05:46.594 |
| Minimum distance | 252.653 km |
| Height difference | 0.385 km |
| Relative speed | 11.020 km/s |
| Angle between velocity vectors | 95° |
| Geographic position | 80.2°S, 81.4°W |
| Height | 803 km |
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