Orbits

U.S. Space Situational Awareness Activities


2013 – U.S.: SBSS

The U.S. Space Based Surveillance System (SBSS) satellite, launched in 2010, uses an optical sensor to detect objects in space as it orbits around Earth. It has an expected lifespan…

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2011 – U.S.: SBSS

In 2010, the United States launched the first Space Based Space Surveillance satellite (SBSS-1) for its Space Surveillance Network. From its LEO orbit, SBSS-1 supplements ground-based equipment that tracks more…

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2010 – U.S.: SBSS

Another notable launch in 2010 was the first Space Based Space Surveillance satellite (SBSS-1) for the U.S. Space Surveillance Network. This branch of U.S. Strategic Command is tasked with detecting,…

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2014 – U.S.: GSSAP, ANGELS, and SBSS

In February 2014, the USAF took the unusual step of publicly announcing the existence of classified space situational awareness satellites. In the initial announcement, General William Shelton stated that the…

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