| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 30243 | 17618 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 06:46 | 2024 Dec 22 15:14 |
| Time of closest approach (UTC) | 2024 Dec 23 16:04:52.017 |
| Minimum distance | 3.257 km |
| Height difference | -3.161 km |
| Relative speed | 14.657 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 80.4°S, 104.9°E |
| Height | 887 km |
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