| Primary satellite | Secondary satellite |
| Name | Iridium Sim1 | TIANHUI 5C |
| Spacetrack catalog number | 24925 | 60211 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:46 | 2024 Dec 23 03:48 |
| Time of closest approach (UTC) | 2024 Dec 27 01:49:56.432 |
| Minimum distance | 2.255 km |
| Height difference | -0.739 km |
| Relative speed | 14.648 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 79.7°N, 111.9°E |
| Height | 617 km |
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