| Primary satellite | Secondary satellite |
| Name | DMSP 7529 | IRIDIUM 155 |
| Spacetrack catalog number | 6787 | 43573 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:13 | 2024 Dec 23 08:02 |
| Time of closest approach (UTC) | 2024 Dec 28 02:23:06.564 |
| Minimum distance | 3.105 km |
| Height difference | -0.242 km |
| Relative speed | 7.320 km/s |
| Angle between velocity vectors | 59° |
| Geographic position | 77.2°N, 48.1°W |
| Height | 790 km |
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