| Primary satellite | Secondary satellite |
| Name | Cosmos 2251 Rocket | YUNHAI 2 4 |
| Spacetrack catalog number | 22676 | 43912 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Sep 22 13:27 | 2023 Sep 22 12:01 |
| Time of closest approach (UTC) | 2023 Jun 12 01:27:43.851 |
| Minimum distance | 482.420 km |
| Height difference | -0.965 km |
| Relative speed | 12.231 km/s |
| Angle between velocity vectors | 110° |
| Geographic position | 37.2°N, 28.9°E |
| Height | 792 km |
|