| Primary satellite | Secondary satellite |
| Name | EUCROPIS | Helios 1A Rocket |
| Spacetrack catalog number | 43807 | 23608 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2023 Jan 31 14:16 | 2023 Jan 31 12:26 |
| Time of closest approach (UTC) | 2022 Dec 11 00:21:48.975 |
| Minimum distance | 828.384 km |
| Height difference | 3.722 km |
| Relative speed | 2.016 km/s |
| Angle between velocity vectors | 15° |
| Geographic position | 82.4°S, 55.8°E |
| Height | 605 km |
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