Home to resettled Teotihuacans of the Aztec civilization by the Goa'uld countless centuries ago. The Orbanians are a testament to that settlement and the civilization's attempts to rejuvenate their lifestyle, as can be seen in the structures that are abound in the richness of Aztec history. Technologically, it has become a triumph.
It is Daniel Jackson's theory that the Teotihuacan civilization was destroyed by the Goa'uld. Orban might be one home of very few settlements of Aztecs which have survived Goa'uld oppression, if not the last.
Learning Curve - SG-1 encounters and commences trade with a group of Aztecs from planet Orban, who have developed significant technological advances including naquadah reactor and nano-technology, among others.