| Primary satellite | Secondary satellite |
| Name | deb Chang Zheng 4 | deb Kosmos-44 |
| Spacetrack catalog number | 20877 | 21126 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:01 | 2024 Dec 23 04:22 |
| Time of closest approach (UTC) | 2024 Dec 24 01:28:04.862 |
| Minimum distance | 2.193 km |
| Height difference | -0.577 km |
| Relative speed | 8.398 km/s |
| Angle between velocity vectors | 68° |
| Geographic position | 57.9°N, 113.7°W |
| Height | 648 km |
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