| Primary satellite | Secondary satellite |
| Name | Cosmos 2112 | deb Chang Zheng 4 |
| Spacetrack catalog number | 21014 | 20894 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:35 | 2024 Dec 22 23:12 |
| Time of closest approach (UTC) | 2024 Dec 25 16:40:48.067 |
| Minimum distance | 3.878 km |
| Height difference | -1.742 km |
| Relative speed | 14.279 km/s |
| Angle between velocity vectors | 146° |
| Geographic position | 72.1°N, 16.9°W |
| Height | 785 km |
|