| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17642 | 31883 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:03 | 2024 Dec 22 21:37 |
| Time of closest approach (UTC) | 2024 Dec 24 04:16:00.710 |
| Minimum distance | 2.075 km |
| Height difference | -0.789 km |
| Relative speed | 4.594 km/s |
| Angle between velocity vectors | 36° |
| Geographic position | 63.0°S, 120.8°W |
| Height | 799 km |
|