| Primary satellite | Secondary satellite |
| Name | JY1SAT | COSMOS 2251 DEB |
| Spacetrack catalog number | 43803 | 35071 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jun 03 17:07 | 2023 May 30 23:29 |
| Time of closest approach (UTC) | 2023 Apr 07 18:23:18.478 |
| Minimum distance | 181.386 km |
| Height difference | -4.607 km |
| Relative speed | 15.148 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 39.0°N, 44.5°E |
| Height | 569 km |
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