Orbiter is more than just a single fixture; it is a system with many options. Therefore, it is not possible to narrow down any specific photometric data. ARRI keeps pushing for the best in color rendition and output. For most of the optical accessories, Photometrics are published in the formats below:
Via ARRI photometrics app
ARRI Orbiter – Photometric & Colorimetric Data (PDF file)
Photometric files in IES- & LDT-format