| Primary satellite | Secondary satellite |
| Name | deb Chang Zheng 4 | deb Kosmos-1275 |
| Spacetrack catalog number | 20877 | 13809 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:01 | 2024 Dec 23 08:57 |
| Time of closest approach (UTC) | 2024 Dec 23 14:16:19.791 |
| Minimum distance | 3.770 km |
| Height difference | -3.631 km |
| Relative speed | 12.281 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 80.6°N, 53.2°W |
| Height | 651 km |
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