| Primary satellite | Secondary satellite |
| Name | JY1SAT | COSMOS 2251 DEB |
| Spacetrack catalog number | 43803 | 36378 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jun 03 17:07 | 2023 Jun 03 20:51 |
| Time of closest approach (UTC) | 2023 Apr 02 20:49:00.886 |
| Minimum distance | 1025.861 km |
| Height difference | -57.525 km |
| Relative speed | 15.176 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 60.6°S, 179.3°W |
| Height | 593 km |
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