| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | TRAILBLAZER |
| Spacetrack catalog number | 35234 | 27609 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 01:06 | 2024 Dec 22 23:41 |
| Time of closest approach (UTC) | 2024 Dec 26 01:38:07.121 |
| Minimum distance | 4.860 km |
| Height difference | 3.437 km |
| Relative speed | 14.831 km/s |
| Angle between velocity vectors | 158° |
| Geographic position | 35.0°S, 84.2°W |
| Height | 642 km |
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