| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 15766 | 31735 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 May 17 01:29 | 2025 May 16 12:07 |
| Time of closest approach (UTC) | 2024 Jul 27 19:39:47.296 |
| Minimum distance | 2200.099 km |
| Height difference | -33.871 km |
| Relative speed | 14.939 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 34.0°N, 80.4°E |
| Height | 762 km |
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