| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 54475 | 35455 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:58 | 2024 Dec 22 17:22 |
| Time of closest approach (UTC) | 2024 Dec 29 00:29:29.593 |
| Minimum distance | 2.068 km |
| Height difference | -2.016 km |
| Relative speed | 14.957 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 13.8°S, 118.0°E |
| Height | 725 km |
|