| Primary satellite | Secondary satellite |
| Name | SWAS | DNEPR OBJECT AF |
| Spacetrack catalog number | 25560 | 39445 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Apr 28 16:24 | 2025 Apr 28 20:45 |
| Time of closest approach (UTC) | 2025 Mar 29 05:41:31.418 |
| Minimum distance | 214.798 km |
| Height difference | -7.719 km |
| Relative speed | 13.089 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 69.6°S, 59.5°W |
| Height | 570 km |
|