| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12727 | 31944 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:41 | 2024 Dec 18 02:56 |
| Time of closest approach (UTC) | 2024 Dec 27 11:16:10.823 |
| Minimum distance | 1.164 km |
| Height difference | -0.655 km |
| Relative speed | 10.485 km/s |
| Angle between velocity vectors | 91° |
| Geographic position | 78.8°N, 176.3°E |
| Height | 984 km |
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