| Primary satellite | Secondary satellite |
| Name | HELIOS-2A | OBJECT J |
| Spacetrack catalog number | 28492 | 42833 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 13:45 | 2024 Dec 23 11:48 |
| Time of closest approach (UTC) | 2024 Dec 26 03:35:45.340 |
| Minimum distance | 2.313 km |
| Height difference | -0.411 km |
| Relative speed | 14.887 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 40.7°S, 31.2°E |
| Height | 582 km |
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