| Primary satellite | Secondary satellite |
| Name | IRIDIUM 122 | HAIYANG 1C |
| Spacetrack catalog number | 42957 | 43609 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:33 | 2024 Dec 23 07:59 |
| Time of closest approach (UTC) | 2024 Dec 25 10:05:49.068 |
| Minimum distance | 2.034 km |
| Height difference | -1.853 km |
| Relative speed | 14.899 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 27.6°S, 173.7°W |
| Height | 789 km |
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