| 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 02:36:53.618 |
| Minimum distance | 8.854 km |
| Height difference | -4.035 km |
| Relative speed | 14.856 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 55.3°S, 125.6°W |
| Height | 802 km |
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