| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 31279 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 19 20:17 |
| Time of closest approach (UTC) | 2024 Dec 25 12:23:05.306 |
| Minimum distance | 3.631 km |
| Height difference | 2.045 km |
| Relative speed | 14.642 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 80.8°S, 159.8°E |
| Height | 880 km |
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