| Primary satellite | Secondary satellite |
| Name | deb Chang Zheng 4 | deb Kosmos-1275 |
| Spacetrack catalog number | 20888 | 13804 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:47 | 2024 Dec 22 20:25 |
| Time of closest approach (UTC) | 2024 Dec 25 06:45:40.139 |
| Minimum distance | 4.393 km |
| Height difference | 4.314 km |
| Relative speed | 13.483 km/s |
| Angle between velocity vectors | 129° |
| Geographic position | 80.7°S, 67.7°E |
| Height | 800 km |
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