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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. 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 ...

4. List of astronomical catalogues - Wikipedia

   en.wikipedia.org/.../List_of_astronomical_catalogues

   LS — either of two "Luminous Stars" catalogues; see LSN and LSS, below; LS — Lensed Star (LS 1 = 'Icarus' in Leo) (see MACS J1149 Lensed Star 1) LSA — Lundstrom-Stenholm-Acker (planetary nebulae) LSN — Luminous Stars in the Northern Milky Way; LSPM — LSPM catalog — Lépine-Shara Proper Motion catalog [25] LSR — Lepine-Shara-Rich ...

5. Mail order - Wikipedia

   en.wikipedia.org/wiki/Mail_order

   Sending an order form in the mail; Placing a telephone call; Placing an order with a few travelling agents and paying by installments [1] Filling in a form on a website or mobile app — if the product information is also mainly obtained online rather than via a paper catalogue or via television, this model is online shopping or e-commerce

6. Timeline of astronomical maps, catalogs, and surveys

   en.wikipedia.org/wiki/Timeline_of_astronomical...

   c. 350 BC — Shi Shen's star catalog has almost 800 entries; c. 300 BC — star catalog of Timocharis of Alexandria; c. 134 BC — Hipparchus makes a detailed star map; c. 150 — Ptolemy completes his Almagest, which contains a catalog of stars, observations of planetary motions, and treatises on geometry and cosmology

7. New General Catalogue - Wikipedia

   en.wikipedia.org/wiki/New_General_Catalogue

   NGC 2000.0 (also known as the Complete New General Catalog and Index Catalog of Nebulae and Star Clusters) is a 1988 compilation of the NGC and IC made by Roger W. Sinnott, using the J2000.0 coordinates. [17] [18] It incorporates several corrections and errata made by astronomers over the years. [5]

8. Two-line element set - Wikipedia

   en.wikipedia.org/wiki/Two-line_element_set

   A secondary cause for the increase in Satellite Catalog Numbers was the commercialization of space and break-up events and collisions that have created debris objects. [17] Adaptations of the TLE were considered to extend the number of encodable Satellites within the TLE but instead a new format, the CCSDS OMM (Orbit Mean-Elements Message ...

9. Defense Satellite Communications System - Wikipedia

   en.wikipedia.org/wiki/Defense_Satellite...

   However, the design concept surpassed the technological capabilities of the time, leading to the cancellation of the program in May 1962. The Initial Defense Communications Satellite Program (IDCSP) was proposed as one of two recommended follow-up approaches to deliver a working satellite. Philco (now Ford Aerospace) was contracted for the work.