creation of digital elevation models (DEM) of high accuracy. Using gallium-arsenide solar cells, the panels face to the aft of the satellite so that the optical payload is not subjected to solar radiation when in a sun-pointing orientation used for power generation. Watch launch video. The authorities also say that the device can be used for monitoring in case of natural disasters,as well as environmental monitoring. The KompSat-3 spacecraft consists of a payload-an AEISS (Advanced Earth Imaging Sensor System) camera and a satellite platform that takes it into space. Overall, the infrared imaging payload acquires imagery at a ground resolution of 5.5 meters. engineering surveys for the construction of infrastructure transportation and production of oil and gas. KOMPSAT-3 is an optical high-resolution Korean observation mission of KARI (Korea Aerospace Research Institute). It will be similar to the KOMPSAT 2 spacecraft and is scheduled to be launched in 2010. These temperature-sensitive IR sensors (IRS) can assist in monitoring of wildfires, volcanic and seismic activities as well as water currents and natural disasters. The Korean Aerospace Research Institute (KARI) designed and built KOMPSAT-3. It is similar to the KOMPSAT 3 spacecraft. The multispectral channels use 6,000-pixel line array detectors with time delay integration employing pixel binning and delivering data at 240Mbit/s per channel. It is directly in charge of the reception of S-Band telemetry data from the satellite and the transmission of command sequences to the satellite. The KompSat-3 spacecraft consists of a payload-an AEISS (Advanced Earth Imaging Sensor System) camera and a satellite platform that takes it into space. To allow de-spins of the wheels, the satellite uses magnetic torquers that use the Earth’s magnetic field to create a force that counters that of the de-spinning wheel to desaturate the reaction wheels at regular intervals. KOMPSAT-3A is part of the Korean Multipurpose Satellite Program developed and operated by the Korea Aerospace Research Institute KARI to establish an operational Earth observation capability that includes satellites carrying optical, infrared and radar payloads to deliver data needed for a variety of purposes. Using a cryo-cooled pushbroom sensor, the system covers a mid-wave infrared wavelength range of 3 to 5 micrometers. The KOMPSAT ground segment consists of two elements – the Mission Control Element and the Image Reception and Processing Element. The satellite bus consists of a hexagonal platform and a cylindrical nadir module hosting the optical payload systems. 2 stacks of 12 k pixels each, TDI (Time Delay Integration), < 64 TDI in 4 stages, Source data rate = 16 x 15 Mpixel/s (or 3.84 Gbit/s), Line array of 6,000 pixels, provision of 8 stacks, TDI capability. The mission objectives of the KOMPSAT-3A are to provide continuous satellite Earth observation after KOMPSAT 1 and KOMPSAT 2 and to meet the nation's needs for high-resolution EO (Electro-Optical) images required for GIS (Geographical Information Systems) and other environmental, agricultural and oceanographic monitoring applications. The thrusters use the catalytic decomposition of Hydrazine monopropellant over a heated catalyst bed to generate thrust. The main purpose of the optical KOMPSAT spacecraft is to deliver high-resolution imagery for Geographical Information Systems as well as environmental, agricultural and oceanographic monitoring. It is similar to the KOMPSAT 3 spacecraft. The KompSat-3 satellite was developed By the Korean aerospace Research Institute KARI (Korea Aerospace Research Institute) with the participation of Korean Air Lines Co., Korea Aerospace Industries Ltd., Doowon Heavy Industrial Co and Hanwha, as well as by EADS Astrium GmbH. KOMPSAT-3A, when launched in March 2015, was Korea’s most advanced Earth observation satellite. Other satellites In 2013, a Dnepr rocket launched the 1,420-Kilogram KOMPSAT-5 satellite, becoming the first radar satellite of the fleet, outfitted with a 9.66GHz Synthetic Aperture Radar capable of covering a wide ground swath or operating in a high resolution mode delivering imagery at a one-meter resolution. inventory of agricultural land, creation of land use plans. Each product is provided as a specific set of data: pan + four multispectral or as four pansharpened bands. It operates at an altitude of 526 km × 540 km, 97°, in a sun-synchronous orbit for 4 years and monitor the Korean peninsula using a payload capable of submeter class resolution. Discover what's possible. The additional M3 and M4 mirrors create a focal length of 8.6 meters. It appeared to be the first satellite, equipped with two imaging systems where the AEISS was complemented with IIS (Infrared Imaging System). The Mission Control Element provides mission planning, spacecraft control, commanding and resource management. KOMPSAT 3A (Korean Multi-purpose Satellite 3A) is a lightweight Earth observation satellite developed by the Korea Aerospace Research Institute KARI. The optical component is being developed by Astrium. The reaction wheel represents a rotating mass that is driven by a motor – when accelerating or decelerating the wheel, the satellite body will move into the opposite direction as the result of induced counter torque. inventory and monitoring of transport, energy and information communications. Copyright © 2001-2017 Satellite Imaging Corporation. KOMPSAT-3A is equipped with two imaging payloads; the Advanced Earth Imaging Sensor System A (AEISS-A) and an Infrared Imaging Payload. KOMPSAT-2, weighing in at 800kg using a newly developed satellite bus, launched in July 2006 and delivered imagery at a 4-meter ground resolution covering four spectral bands and employing off-nadir imaging techniques. The satellite facilitates an S-Band communications terminal for the uplink of command sequences from the ground and the downlink of status telemetry and payload housekeeping data. In total, South Korea plans to place five satellites with similar functionality in orbit. The KOMPSAT-3 satellite was launched in 2012 using a similar bus architecture as KOMPSAT-2 but an improved optical payload that reached a resolution of one meter for panchromatic imagery. Inertial measurement data is used to measure body rates used to reduce spacecraft motion to allow the star trackers to acquire star patterns which requires low body rates on the satellite. In development of the new device was invested 286.6 billion Korean won or 252 million dollars. Thermal control of the satellite is accomplished with multilayer insulation and heaters that keep critical components within an operational temperature range.

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