| Primary satellite | Secondary satellite |
| Name | deb Chang Zheng 4 | deb Kosmos-374 |
| Spacetrack catalog number | 20877 | 4698 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:01 | 2024 Dec 22 18:59 |
| Time of closest approach (UTC) | 2024 Dec 28 14:06:41.084 |
| Minimum distance | 4.476 km |
| Height difference | -0.858 km |
| Relative speed | 14.859 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 43.8°N, 62.0°E |
| Height | 643 km |
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