| Primary satellite | Secondary satellite |
| Name | CZ-6A DEB | Helios 1B |
| Spacetrack catalog number | 54475 | 25977 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:58 | 2024 Dec 23 02:50 |
| Time of closest approach (UTC) | 2024 Dec 24 08:08:27.032 |
| Minimum distance | 3.342 km |
| Height difference | 1.115 km |
| Relative speed | 14.841 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 44.4°N, 13.7°E |
| Height | 616 km |
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