| Primary satellite | Secondary satellite |
| Name | ARIANE 6 FM1 Upper Stage | STARLING 2 |
| Spacetrack catalog number | 60235 | 57387 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2026 Jan 22 12:36 | 2026 Jan 22 04:15 |
| Time of closest approach (UTC) | 2025 Dec 16 13:29:18.136 |
| Minimum distance | 46.100 km |
| Height difference | -9.337 km |
| Relative speed | 14.971 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 12.5°N, 31.5°E |
| Height | 558 km |
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