It was developed by The Aerospace Corporation in El Segundo, California.
An early version ran on the IBM 7090 computer in 1964.
When Satellite Tool Kit's high-precision orbit propagator and parameter and coordinate frame transformations underwent an Independent Verification and Validation effort in 2000, TRACE v2.4.9 was the standard against which STK was compared.
[2] As of 2013, TRACE is still used by the U.S. Government and some of its technical contractors.
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