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For BeiDou-1, the system consists of 4 GEO satellites (3 active + 1 spare). [4] For BeiDou-2, the nominal constellation consists of 35 satellites (27 MEO, 5 GEO for BeiDou-1 compatibility, 3 IGSO). [5] For BeiDou-3, the nominal constellation consists of 30 satellites (24 MEO, 3 GEO, 3 IGSO). [1] The constellation was declared "complete" on 23 ...
The second BeiDou-2 constellation satellite Compass-G2 was launched on 15 April 2009. [ 33 ] On 15 January 2010, the official website of the BeiDou Navigation Satellite System went online, [ 34 ] and the system's third satellite ( Compass-G1 ) was carried into its orbit by a Long March 3C rocket on 17 January 2010.
It was launched with BeiDou-3 M2. BeiDou-3 M1/M2 were launched from LC2 at Xichang Satellite Launch Center 64 kilometres northwest of Xichang, Liangshan Yi Autonomous Prefecture in Sichuan, China A Long March 3B carrier rocket with a YZ-1 upper stage was used to perform the launch which took place at 11:45 UTC on 5 November 2017. [4]
A bright artificial satellite flare is visible above the Very Large Telescope.Satellite constellations could have an impact on ground-based astronomy. [1]Satellites in medium Earth orbit (MEO) and low Earth orbit (LEO) are often deployed in satellite constellations, because the coverage area provided by a single satellite only covers a small area that moves as the satellite travels at the high ...
BeiDou-3 M1 This page was last edited on 8 July 2020, at 18:30 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
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Quasi-Zenith satellite orbit QZSS animation, the "Quasi-Zenith/tundra orbit" plot is clearly visible.The Quasi-Zenith Satellite System (QZSS), also known as Michibiki (みちびき, "guidance"), is a four-satellite regional satellite navigation system and a satellite-based augmentation system developed by the Japanese government to enhance the United States-operated Global Positioning System ...
The Hongtu-1 (Chinese: 宏图一号), known commonly by its English-language name PIESAT-1 and infrequently as Nuwa-1, is a Chinese commercial X-band interferometric synthetic aperture radar (InSAR) satellite constellation performing Earth observation missions in Sun-synchronous orbit.