| Primary satellite | Secondary satellite |
| Name | SJ-12 | DNEPR OBJECT AC |
| Spacetrack catalog number | 36596 | 39442 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2025 May 15 04:27 | 2025 May 14 22:30 |
| Time of closest approach (UTC) | 2025 May 02 15:01:42.734 |
| Minimum distance | 33.765 km |
| Height difference | -1.187 km |
| Relative speed | 2.520 km/s |
| Angle between velocity vectors | 19° |
| Geographic position | 82.2°N, 55.2°W |
| Height | 539 km |
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