The Tango Scout mission comprises two 25-kg satellites orbiting in tandem. One of the satellites will measure methane and carbon dioxide, and one will measure nitrogen dioxide. Tango will monitor 150–300 known large industrial facilities and power plants every four days, delivering high-resolution images of emission plumes as well as the surrounding pollution.
Part of ESA’s FutureEO programme, the Scout missions complement the Earth Explorer missions. However, this family of missions embraces the New Space era. Defined by rapid development and low-cost, each Scout mission must be delivered within three years from kick-off to launch and within a budget of just €35 million.