![]() Only one scenario may exist at any one time, although data can be exported and reused in subsequent analyses.įor each object within a scenario, reports and graphics (both static and dynamic) may be created. All of these properties can be overridden for each child object individually, as necessary. Each scenario defines the default temporal limits to the child objects, as well as the base unit selection and properties. Within each scenario any number of satellites, aircraft, targets, ships, communications systems or other objects can be created. Users also have the option of using STK programatically via OLE automation.Įach analysis or design space within STK is called a scenario. The STK Integration module provides a scripting interface named Connect that enables STK to act within a client/server environment (via TCP/IP) and is language independent. All analysis can be done through mouse and keyboard interaction. The STK interface is a standard GUI display with customizable toolbars and dockable maps and 3D graphic windows. It was "the first time in three and a half decades that an image become public that the sophistication of US spy satellites in orbit." Langbroek and astronomer Cees Bassa, identified the specific classified spysat ( USA-224, a KH-11 satellite with an objective mirror as large as the Hubble Space Telescope) that had taken the photograph, and the time when it was taken on a particular satellite pass. In 2019, Dutch amateur skywatcher Marco Langbroek used STK to analyze a high-resolution photograph of an Iranian launch site accident tweeted by US President Trump. STK has also been used by news organizations to graphically depict current events to a wider audience, including the deorbit of Russia's Mir Space Station, the Space Shuttle Columbia disaster, the Iridium/Cosmos collision, the asteroid 2012 DA14 close approach and various North Korea missile tests.Īs of version 12.1 (released in 2020), the software underwent a name change from Satellite Tool Kit to Systems Tool Kit to reflect its applicability in land, sea, air, and space systems. ![]() The addition of 3D viewing capabilities led to the adoption of the STK by military users for real-time visualization of air, land and sea forces as well as the space domain. STK was first adopted by the aerospace community for orbit analysis and access calculations (when a satellite can see a ground-station or image target), but as the software was expanded, more modules were added that included the ability to perform calculations for communications systems, radar, interplanetary missions and orbit collision avoidance. The original version of STK ran only on Sun Microsystems computers, but as PCs became more powerful, the code was converted to run on Windows. Paul Graziani, Scott Reynolds, and Jim Poland, left GE Aerospace to create Satellite Tool Kit (STK) as an alternative to bespoke, project-specific aerospace software. In 1989, the three founders of Analytical Graphics, Inc. ![]() Clients of AGI are organizations such as NASA, ESA, CNES, DLR, Boeing, JAXA, ISRO, Lockheed Martin, Northrop Grumman, Airbus, The US DoD, and Civil Air Patrol. STK is used in government, commercial, and defense applications around the world. Originally created to solve problems involving Earth-orbiting satellites, it is now used in the aerospace and defense communities and for many other applications. STK has been developed since 1989 as a commercial off the shelf software tool. At the core of STK is a geometry engine for determining the time-dynamic position and attitude of objects ("assets"), and the spatial relationships among the objects under consideration including their relationships or accesses given a number of complex, simultaneous constraining conditions. (an Ansys company) that enables engineers and scientists to perform complex analyses of ground, sea, air, and space platforms, and to share results in one integrated environment. Systems Tool Kit (formerly Satellite Tool Kit), often referred to by its initials STK, is a multi-physics software application from Analytical Graphics, Inc.
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