| Primary satellite | Secondary satellite |
| Name | deb Feng Yun 1B | deb Kosmos-1275 |
| Spacetrack catalog number | 23259 | 18592 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:46 | 2024 Dec 22 21:37 |
| Time of closest approach (UTC) | 2024 Dec 25 07:21:30.269 |
| Minimum distance | 3.899 km |
| Height difference | 3.514 km |
| Relative speed | 14.588 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 81.3°S, 105.7°W |
| Height | 821 km |
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