| Primary satellite | Secondary satellite |
| Name | Oscar 19 | IRIDIUM 148 |
| Spacetrack catalog number | 20442 | 43255 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 Jan 19 13:43 | 2025 Jan 19 10:28 |
| Time of closest approach (UTC) | 2024 Dec 06 03:27:05.969 |
| Minimum distance | 6.840 km |
| Height difference | 1.443 km |
| Relative speed | 14.881 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 55.1°N, 41.8°E |
| Height | 787 km |
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