| Primary satellite | Secondary satellite |
| Name | Oscar 19 | Iridium 57 |
| Spacetrack catalog number | 20442 | 25273 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 Dec 08 23:42 | 2025 Dec 08 19:12 |
| Time of closest approach (UTC) | 2024 Dec 07 05:50:14.365 |
| Minimum distance | 6327.079 km |
| Height difference | 2.224 km |
| Relative speed | 14.042 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 37.0°N, 166.6°E |
| Height | 774 km |
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