| Primary satellite | Secondary satellite |
| Name | deb Chang Zheng 4 | IRIDIUM 33 DEB |
| Spacetrack catalog number | 20862 | 34648 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:49 | 2024 Dec 22 14:59 |
| Time of closest approach (UTC) | 2024 Dec 25 01:27:50.876 |
| Minimum distance | 3.516 km |
| Height difference | -2.434 km |
| Relative speed | 14.618 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 71.5°N, 42.0°W |
| Height | 942 km |
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