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Next Generation Medium Satellite # 1. Provided by the Korea Aerospace Research Institute
The next-generation mid-size satellite 1, developed with the purpose of fostering the satellite industry and revitalizing the private ecosystem for space development, will be launched on the Russian Soyuz 2.1a launch vehicle at the Baikonur Space Center in Kazakhstan. around 15:07 on the 20th.
After moving to the Baikonur Space Center in January, the next-generation mid-size 1 satellite completed launch preparation work, including functional inspection, fuel injection and launch vehicle and assembly over 50 days. It will separate from the projectile approximately 64 minutes after launch and communicate with the Svalbard Norway ground station for the first time approximately 38 minutes later. If the communication is successful, it is possible to check if the next generation medium-sized satellite 1 has settled correctly in the mission orbit.
The next-generation medium-sized satellite 1 is scheduled to provide serious observing images starting in October after the initial operating process for 6 months in orbit at an altitude of 497.8 km after launch.
The next generation medium-sized satellite 1, weighing 500 kg, is an Earth observation satellite with a width of 1.4 m, a length of 1.55 m and a height of 2.89 m. It is smaller in size than the Arirang 5 (1.4t) multipurpose utility satellite or the Cheonrian 2a (3.4t) geostationary complex satellite, but it is equipped with a precise electron optical camera capable of discriminating objects 0.5 m wide and high on the ground in black and white. This is a precision that can sufficiently distinguish a standing person. As a color image, you can get a 2 m wide and high image within a range of up to 12 km.
The next generation mid-size satellite development project period is March 2015 to June 2021. The budget was 157.9 billion won, which was invested by the Ministry of Science, Technology and Information and Communications. for 112.8 billion won and the Ministry of Land, Infrastructure and Transportation and 45.12 billion won. The goal is to provide accurate earth observation imagery for national land and resource management, disaster response to public sector demand, and provision of national geospatial information services.
The launch of the next-generation mid-size satellite 1 was promoted with the aim of fostering the domestic satellite industry, industrializing exports, and revitalizing the private space development ecosystem. It is believed to be a sign of a shift in the Korean space industry from government-led to private-sector led. To this end, it was developed as a standard platform method that only needs to change mounted equipment, such as satellite cameras, while leaving the satellite frame as is.
Korea Aerospace Industries (KAI) participated in the development of No. 1 led by the Korea Aerospace Research Institute and transferred the main body system and technology. From n. 2, private companies will lead the development. The government plans to develop three additional satellites using the next-generation mid-size satellite platform built this time and maintain the mass production system afterward.
On the other hand, the Soyuz 2.1a launch vehicle, which carries the first next-generation mid-size satellite, is loaded with three microsatellites developed by national universities, including the KMSL, a microsatellite jointly developed by the University of Chosun and University of Yonsei, and heads into space. These three cube satellites won the ‘Cube Satellite Contest’ organized by the Ministry of Science and ICT and the Korea Aerospace Research Institute in 2017. The cube satellites are satellites with a unit size of 10 cm wide, long and high, and are called microsatellites.
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