| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 29956 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 22 17:02 |
| Time of closest approach (UTC) | 2024 Dec 27 19:00:04.853 |
| Minimum distance | 2.289 km |
| Height difference | 1.666 km |
| Relative speed | 14.840 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 74.5°S, 159.3°E |
| Height | 863 km |
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