| Primary satellite | Secondary satellite |
| Name | HEATHSAT | IRIDIUM 148 |
| Spacetrack catalog number | 22827 | 43255 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2023 Sep 25 09:50 | 2023 Sep 25 06:22 |
| Time of closest approach (UTC) | 2023 Jun 12 15:29:37.373 |
| Minimum distance | 28.126 km |
| Height difference | -1.315 km |
| Relative speed | 14.916 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 5.5°N, 77.1°E |
| Height | 782 km |
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