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  2. Satellite Catalog Number - Wikipedia

    en.wikipedia.org/wiki/Satellite_Catalog_Number

    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]

  3. List of Earth observation satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_Earth_observation...

    True color image of the Earth from space. This image is a composite image collected over 16 days by the MODIS sensor on NASA’s Terra satellite. NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019.

  4. United States Space Surveillance Network - Wikipedia

    en.wikipedia.org/wiki/United_States_Space...

    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 ...

  5. List of TDRS satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_TDRS_satellites

    Location of TDRS as of 26 May 2020 Location of TDRS as of March 2019. This is a list of Tracking and Data Relay Satellites.TDRS spacecraft are all in geostationary orbit and are operated by the United States National Aeronautics and Space Administration, and are used for communication between NASA facilities and spacecraft, [1] including the Space Shuttle, Hubble Space Telescope, and ...

  6. International Designator - Wikipedia

    en.wikipedia.org/wiki/International_Designator

    Designators are assigned to objects by the United States Space Command along with satellite catalog numbers as they are discovered in space. [1] The United Nations Office for Outer Space Affairs (UNOOSA) and the National Space Science Data Center (NSSDC), part of NASA, maintain two catalogs that provide additional information on the launchers and payloads associated with the designators.

  7. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    GRO — Gamma Ray Observatory (NASA — Compton) Groombridge (Stephen Groombridge, 1755–1832) GSC — Guide Star Catalog. GSC2 / GSC II — Guide Star Catalog II; GSPC — Guide Star Photometric Catalog. GSPC2 — Guide Star Photometric Catalog, 2nd; Gsh — J. Glaisher (double stars) GΣ — G. Struve (double stars) Gtb — K. Gottlieb ...

  8. Wide-field Infrared Survey Explorer - Wikipedia

    en.wikipedia.org/wiki/Wide-field_Infrared_Survey...

    The catalog is used to extend the number of discovered brown dwarfs, especially the cold and faint Y dwarfs. CatWISE is led by Jet Propulsion Laboratory (JPL), California Institute of Technology, with funding from NASA's Astrophysics Data Analysis Program. [77] [78] The CatWISE preliminary catalog can be accessed through Infrared Science ...

  9. Category:NASA satellites - Wikipedia

    en.wikipedia.org/wiki/Category:NASA_satellites

    NASA satellites orbiting Earth (3 C, 29 P) P. Proposed NASA satellites (3 P) T. TDRS satellites (14 P) Pages in category "NASA satellites" The following 39 pages are ...