| Primary satellite | Secondary satellite |
| Name | HEATHSAT | IRIDIUM 133 |
| Spacetrack catalog number | 22827 | 42955 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:16 | 2024 Dec 23 04:27 |
| Time of closest approach (UTC) | 2024 Dec 28 17:00:37.490 |
| Minimum distance | 3.218 km |
| Height difference | -2.770 km |
| Relative speed | 14.883 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 57.2°N, 98.3°W |
| Height | 789 km |
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