Capella Space is an American space company. It is developing space-based radar Earth observation satellites equipped with synthetic-aperture radar that can penetrate clouds and work at night. The company is based in San Francisco, California. It was founded by Payam Banazadeh, a former engineer at Jet Propulsion Laboratory of NASA, and William Walter Woods. The company was founded in 2016, has 150 employees (April 2022), and raised venture capital from investors such as Canaan Partners, Data Collective, and Spark Capital.