| Primary satellite | Secondary satellite |
| Name | YAOGAN 24 | deb Kosmos-397 |
| Spacetrack catalog number | 40310 | 5088 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 18:44 | 2024 Dec 23 08:28 |
| Time of closest approach (UTC) | 2024 Dec 26 20:13:54.540 |
| Minimum distance | 2.046 km |
| Height difference | 0.865 km |
| Relative speed | 14.472 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 59.7°N, 72.8°E |
| Height | 656 km |
|