| Primary satellite | Secondary satellite |
| Name | Courier 1B Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 59 | 30059 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Nov 13 04:56 | 2025 Nov 12 23:17 |
| Time of closest approach (UTC) | 2025 Oct 18 18:09:48.128 |
| Minimum distance | 38.994 km |
| Height difference | 0.294 km |
| Relative speed | 8.542 km/s |
| Angle between velocity vectors | 71° |
| Geographic position | 4.6°N, 7.2°W |
| Height | 1029 km |
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