| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | deb Chang Zheng 4 |
| Spacetrack catalog number | 13561 | 20853 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:50 | 2024 Dec 23 00:52 |
| Time of closest approach (UTC) | 2024 Dec 28 04:51:22.298 |
| Minimum distance | 5.996 km |
| Height difference | -2.740 km |
| Relative speed | 14.598 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 52.9°N, 23.7°E |
| Height | 706 km |
|