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The TLE format is a de facto standard for distribution of an Earth-orbiting object's orbital elements. A TLE set may include a title line preceding the element data, so each listing may take up three lines in the file, in which case the TLE is referred to as a three-line element set (3LE), instead of a two-line element set (2LE). The title is ...
The Satellite Catalog Number (SATCAT), also known as NORAD Catalog Number, NORAD ID, USSPACECOM object number, is a sequential nine-digit number assigned by the United States Space Command (USSPACECOM), and previously the North American Aerospace Defense Command (NORAD), in the order of launch or discovery to all artificial objects in the orbits of Earth and those that left Earth's orbit. [1]
Source code for algorithm implementations, and TLE interpretation in some cases: python-sgp4 A Python Implementation of the sgp4 model with automatic downloading of TLE Elements from NORAD database. PHP5 based on Gpredict; Java: SDP4 and predict4java; C++, FORTRAN, Pascal, and MATLAB. go-satellite GoLang implementation of SGP4 model and helper ...
A map of NORAD regions and sectors. North American Aerospace Defense Command (NORAD / ˈ n ɔːr æ d /; French: Commandement de la Défense Aérospatiale de l'Amérique du Nord, CDAAN), known until March 1981 as the North American Air Defense Command, is a combined organization of the United States and Canada that provides aerospace warning, air sovereignty, and protection for Canada and the ...
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The United States Department of Defense (DoD) has maintained a database of satellite states since the launch of the first Sputnik in 1957, known as the Space Object Catalog, or simply the Space Catalog. These satellite states are regularly updated with observations from the Space Surveillance Network, a globally distributed network of ...
The NORAD Tracks Santa app is also available in the Apple App and Google Play stores, and the tracker will be available on Facebook, Instagram, YouTube and X, according to NORAD.
The NORAD Santa tracker is ready for Christmas Eve. Keep watch of Santa's journey around the world this weekend here.