2.2.0 spase://SMWG/Observatory/DoubleStar Double Star Mission Tan Ce TC 2019-05-05T12:34:56Z Double Star 1 and 2, also known as Explorer 1/2 or Tan Ce 1/2 (TC 1/2) , is a European-Chinese (PRC) (ESA-CNSA) two-satellite joint mission. Double Star 1 is an equatorial orbiter, while Double Star 2 is a polar orbiter. The Project Scientist for Double Star is Philippe Escoubet of ESA/ESTEC. spase://SMWG/Person/Christophe.Philippe.Escoubet ProjectScientist Double Star Home Page http://sci.esa.int/double-star/ Information about the Double Star mission Earth.Magnetosphere.Main