| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | NNS O-10 |
| Spacetrack catalog number | 37900 | 2401 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 16 03:03 | 2024 Dec 22 21:25 |
| Time of closest approach (UTC) | 2024 Dec 28 00:56:15.602 |
| Minimum distance | 4.114 km |
| Height difference | 0.410 km |
| Relative speed | 14.482 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 20.5°S, 17.0°E |
| Height | 1063 km |
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