| Primary satellite | Secondary satellite |
| Name | SWAS | SINOD-D 1 |
| Spacetrack catalog number | 25560 | 40974 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 Apr 28 16:24 | 2025 Apr 29 02:02 |
| Time of closest approach (UTC) | 2025 Mar 24 22:39:10.165 |
| Minimum distance | 936.712 km |
| Height difference | 14.049 km |
| Relative speed | 12.711 km/s |
| Angle between velocity vectors | 114° |
| Geographic position | 51.4°N, 166.9°E |
| Height | 565 km |
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