| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Altair 2 |
| Spacetrack catalog number | 31091 | 1358 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2025 Nov 16 04:29 | 2025 Nov 17 19:33 |
| Time of closest approach (UTC) | 2025 Oct 13 15:11:23.213 |
| Minimum distance | 72.190 km |
| Height difference | 4.266 km |
| Relative speed | 12.652 km/s |
| Angle between velocity vectors | 125° |
| Geographic position | 34.4°S, 23.7°E |
| Height | 1268 km |
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