| Primary satellite | Secondary satellite |
| Name | DMSP-16 (USA 172) | deb Chang Zheng 4 |
| Spacetrack catalog number | 28054 | 20879 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:34 | 2024 Dec 22 12:06 |
| Time of closest approach (UTC) | 2024 Dec 28 13:52:30.393 |
| Minimum distance | 2.103 km |
| Height difference | -2.080 km |
| Relative speed | 14.539 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 40.7°N, 58.4°E |
| Height | 855 km |
|