| Primary satellite | Secondary satellite |
| Name | QIANFAN-50 | IRS-1C |
| Spacetrack catalog number | 62251 | 23751 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:06 | 2024 Dec 22 23:41 |
| Time of closest approach (UTC) | 2024 Dec 25 01:53:13.309 |
| Minimum distance | 1.664 km |
| Height difference | 1.652 km |
| Relative speed | 9.937 km/s |
| Angle between velocity vectors | 84° |
| Geographic position | 80.8°S, 50.7°W |
| Height | 841 km |
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