| Primary satellite | Secondary satellite |
| Name | Helios 1A Rocket | SKYSAT C1 |
| Spacetrack catalog number | 23608 | 41601 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 May 16 12:14 | 2025 May 16 02:56 |
| Time of closest approach (UTC) | 2025 May 04 03:08:27.134 |
| Minimum distance | 82.614 km |
| Height difference | -4.644 km |
| Relative speed | 12.379 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 76.4°S, 51.5°E |
| Height | 510 km |
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