| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | TIANHUI 6B |
| Spacetrack catalog number | 42188 | 55839 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:43 | 2024 Dec 23 09:06 |
| Time of closest approach (UTC) | 2024 Dec 27 06:07:08.514 |
| Minimum distance | 1.372 km |
| Height difference | -1.306 km |
| Relative speed | 14.730 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 77.2°N, 42.7°E |
| Height | 903 km |
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