| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | DMSP BIV-5 Rocket |
| Spacetrack catalog number | 31091 | 3271 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Nov 16 04:29 | 2025 Nov 17 17:56 |
| Time of closest approach (UTC) | 2025 Oct 16 23:49:25.427 |
| Minimum distance | 29.299 km |
| Height difference | -0.552 km |
| Relative speed | 14.592 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 43.3°N, 76.5°E |
| Height | 864 km |
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