| Primary satellite | Secondary satellite |
| Name | IRIDIUM 122 | POSAT 1 |
| Spacetrack catalog number | 42957 | 22829 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:33 | 2024 Dec 22 16:59 |
| Time of closest approach (UTC) | 2024 Dec 29 02:09:58.304 |
| Minimum distance | 4.821 km |
| Height difference | 4.175 km |
| Relative speed | 14.863 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 61.9°N, 125.0°E |
| Height | 787 km |
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