| Primary satellite | Secondary satellite |
| Name | deb Chang Zheng 4 | Cosmos 1869 Rocket |
| Spacetrack catalog number | 20877 | 18215 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:01 | 2024 Dec 23 05:09 |
| Time of closest approach (UTC) | 2024 Dec 28 08:38:18.462 |
| Minimum distance | 4.897 km |
| Height difference | 4.712 km |
| Relative speed | 14.714 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 81.9°S, 117.0°W |
| Height | 650 km |
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