| Primary satellite | Secondary satellite |
| Name | HELIOS-2A | NRL PL150B |
| Spacetrack catalog number | 28492 | 2909 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 13:45 | 2024 Dec 23 13:23 |
| Time of closest approach (UTC) | 2024 Dec 23 17:10:19.421 |
| Minimum distance | 2.336 km |
| Height difference | 2.331 km |
| Relative speed | 14.978 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 45.9°N, 5.9°E |
| Height | 576 km |
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