AxionOrbital Space is a San Francisco-based startup founded in 2025 by Dhenenjay Yadav (CEO) and Atharva Peshkar (CTO) as part of Y Combinator W26. The company builds foundation models for 24/7 Earth Observation. Their primary product, ORION, transforms Synthetic Aperture Radar (SAR) data into high-resolution optical satellite imagery, enabling continuous visibility regardless of weather conditions or time of day, addressing limitations of traditional optical satellites hindered by clouds and darkness. Dhenenjay is an ML Engineer with experience at ISRO and RL Research at IIM Ahmedabad. Atharva holds a PhD in Computer Science from CU Boulder and was a researcher at Harvard VCG (Visual Computing Group).