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The Iridium system was designed to be accessed by small handheld phones, the size of a cell phone. While "the weight of a typical cell phone in the early 1990s was 10.5 ounces" [6] (300 grams) Advertising Age wrote in mid 1999 that "when its phone debuted, weighing 1 pound (453 grams) and costing $3,000, it was viewed as both unwieldly and expensive."
Iridium Communications Inc. (formerly Iridium Satellite LLC) is a publicly traded American company headquartered in McLean, Virginia, United States. Iridium operates the Iridium satellite constellation , a system of 80 satellites: 66 are active satellites and the remaining fourteen function as in-orbit spares. [ 2 ]
This satellite had been deactivated prior to the collision, and remained in orbit as space debris. The other spacecraft, Iridium 33, was a 560-kilogram (1,200 lb) U.S.-built commercial satellite that was part of the Iridium constellation for satellite phones. [2] It was launched on September 14, 1997, atop a Russian Proton rocket.
The Iridium system has 66 satellites, which orbital inclination of 86.4° and inter-satellite links provide service availability over the entire surface of Earth. Starlink is a satellite internet constellation operated by SpaceX , that aims for global satellite Internet access coverage.
The LM-700 is a satellite bus which was built by Lockheed Martin between the mid-1990s and early 2000s. Typically used for low Earth orbit communications satellites, ninety nine were built, all but one for Iridium Satellite LLC.
Iridium 33 was a communications satellite launched by Russia for Iridium Communications. It was launched into low Earth orbit from Site 81/23 at the Baikonur Cosmodrome at 01:36 UTC on 14 September 1997, by a Proton-K rocket with a Block DM2 upper stage. [2] [3] The launch was arranged by International Launch Services (ILS).
Iridium satellite constellation; I. Iridium 7; Iridium 25; Iridium 33; Iridium 95 This page was last edited on 2 December 2020, at 05:10 (UTC). Text is available ...
Iridium 7 was a U.S. Iridium communications satellite. It was launched into low Earth orbit from Vandenberg Air Force Base at 14:55 GMT on 5 May 1997, by a Delta II 7920-10C carrier rocket. [ 1 ] It was operated in Plane 4 of the Iridium satellite constellation , with an ascending node of 262.4°.