| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12673 | 30182 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:38 | 2024 Dec 23 03:10 |
| Time of closest approach (UTC) | 2024 Dec 29 20:08:17.767 |
| Minimum distance | 1.726 km |
| Height difference | 1.725 km |
| Relative speed | 14.463 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 80.7°S, 117.5°E |
| Height | 881 km |
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