Спутник ДЗЗ. Kompsat 3A. [Редактировать]

КА KOMPSAT-3 и KOMPSAT-3A являются продолжением миссии корейских спутников наблюдения Земли KOMPSAT (Korean Multi-Purpose Satellite). Они идентичны по своим техническим характеристикам и предназначены для получения цифровых изображений земной поверхности с пространственным разрешением 0,7 м в панхроматическом режиме и 2,8 м в мультиспектральном режиме.

Решаемые задачи:

  • создание и обновление топографических и специальных карт и планов вплоть до масштаба 1:10 000;
  • инвентаризация и контроль строительства объектов инфраструктуры транспортировки и добычи нефти и газа;
  • выполнение лесоустроительных работ, инвентаризация и оценка состояния лесов;
  • инвентаризация сельскохозяйственных угодий, создание планов землепользования, точное земледелие; обновление топографической подосновы для разработки проектов генеральных планов перспективного развития городов, схем территориального планирования муниципальных районов;
  • инвентаризация и мониторинг состояния транспортных, энергетических, информационных коммуникаций; широкий круг задач в области охраны окружающей среды.

Дополнительная классификация

#Наименования
1Тип орбиты - НОО
2Страна оператор(владелец) - Южная Корея
3Страна производитель - Франция
4Страна производитель - Южная Корея
5Тип оператора(владельца) - государственный
6Все спутники ДЗЗ

Новостная лента[Найти информацию в новостях] [Найти информацию в документах]

#Новостная лента.
12016-07-06. SI Imaging Services начала продажи 50 см снимков.
Компания SI Imaging Services выполнила свои майские обещания и вышла на рынок коммерческих поставок ДЗЗ со своим новым продуктом, который имеет разрешение около 50см. Источником получения снимков ДЗЗ является запущенный 2015 году космический аппарат Kompsat-3A. Таким образом, американская Digital Globe получила в лице южнокорейской компании своего первого конкурента, который может составить ей реальную конкуренцию, даже не смотря на то, что с запуском космического аппарата WorldView 4 компания из США заявила о возможной продаже на рынке панхроматических изображений с разрешением около 25 см. Вместе с тем, необходимо отметить, что подобный показатель является достаточно близким к теоретическому пределу в 15-20 см и достигается только при пост обработке информации. Аналогичным образом, скорее всего, поступает и южнокорейский оператор, поскольку ранее он объявлял о том, что его аппараты снимают с разрешающей способностью около 70 см. Тэги: Kompsat 3ASI Imaging ServicesKompsat 3

Технические характеристики

#ХарактеристикаЗначение
1Масса, кг1000
2Фокусное расстояние, метра8,6
3Разрешение оптической спецаппаратуры (панхроматический), метра0.7
4Разрешение оптической спецаппаратуры (мультиспектральный), метра2.8
5Полоса захвата, км16.8
6Спектральные диапазоны (панхроматический), мкм0,45-0,90
7Спектральные диапазоны (синий), мкм0,45-0,52
8Спектральные диапазоны (зеленый), мкм0,52-0,60
9Спектральные диапазоны (красный), мкм0,63-0,69
10Спектральные диапазоны (БИК), мкм0,76-0,90
11Габариты, метра3.5×2.0
12Количество (спектральных полос), шт.4
13Мощность, Вт1300
14Скорость передачи данных, Мбит/с320
15Радиометрическое разрешение, бит на пиксель14
16Диаметр главного зеркала, сантиметров80
17Относительное отверстие1:12
18Размер элемента (PAN), мкм8,75
19Размер элемента (MS), мкм17,5
20Количество элементов (PAN), мкм24000
21Количество элементов (MS), мкм6000
22Емкость ЗУ, Гбит96

Характеристики орбиты

#ХарактеристикаЗначение
1Высота орбиты, км700
2Наклонение, град98.1
3Апогей, км703.4
4Перигей, км687.7
5Период, минут98.5
6Длинный диаметр эллипса, км7066

Экономические характеристики

#ХарактеристикаДата измеренияЗначение
1Страна Корея
2Производитель Astrium
3Производитель Kompsat 3

Информация об удачном запуске

#ХарактеристикаЗначение
1Космодром Пусковая база Ясный
2Дата пуска2015-03-26
3Полезная нагрузка 1xKompsat 3A
4Ракета-носитель 1xДнепр

Найдено 291 документов по запросу «Kompsat 3A». [Перейти к поиску]


Дата загрузки: 2017-12-26
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0.03/5
... 9 8 4 Proton Proton ABS 2A ABS 3A F4 Satmex 7 Falcon 9 Launch TBD... 9 DubaiSat-3 - Dnepr DubaiSat 2 - Dnepr Kompsat 3A - Dnepr Kompsat 5 - Dnepr PAZ - Dnepr EnMAP - PSLV... launches by foreign providers, for KOMPSAT-5, DubaiSat-2, and the SWARM constellation... 9 Gökturk 1 - TBD DubaiSat-2 - Dnepr Kompsat 3A - Dnepr Kompsat 5 - Dnepr PAZ - Dnepr ORS-3 Enabler... to heavy launch vehicle. • KOMPSAT-3A: Also known as KOMPSAT-3’s “brother satellite,” KOMPSAT3A... developing KOMPSAT-3A, which will launch in 2014 on a Dnepr vehicle. • KOMPSAT-5: KOMPSAT-5 is... Orion 3 16 AMC 4 DM1 Arabsat 3A Insat 2E Koreasat 3 Orion 2 Telkom... 6 Eutelsat W5 DirecTV 5 Nimiq 2 2 Astra 3A NSTAR c 5 Ariane 4 Intelsat 907 Ariane... Sea Launch 6 Ariane 4 DM1 Insat 3A Ariane 4 DM3 Insat 3E Ariane... 11 Proton M 4 Ariane 5 DM3 Bsat 3A Ariane 5 DM4 Intelsat 11 DM4... 8 (5,510 - 9,260 lbm) DM1 Turksat 3A DM2 Badr 6 DM2 Protostar 1 DM3... 9 Proton M DM4 Optus D3 Measat 3A Ariane 5 Ariane 5 Ariane 5 Ariane 5 Ariane... Gals-1 Gorizont 42 Long March 3A DMC Telecom 2C Proton K/DM... 1 2 2 Launches Spacecraft 1 Chinasat 6 2 Long March 3A ChinaStar 1 Sinosat 1 2003 Launches 1 1 3 Spacecraft... 4B Chinasat 22A Long March 3A Insat 4C GSLV 2010 1 3 Launches... K/DM Proton K/DM Long March 3A Proton K/DM Proton K/DM 2008... Proton K/M Proton K/DM Long March 3A 2 8 3 ChinaSat 6A Long March 3B ChinaSat 20A Long March 3A Insat 4D GSLV Ariane 4 Long March 3A Proton K/DM Proton K/DM Proton... Gen.13-18 Nigeriasat-2 NX3B 3A Other 8/17/11 Sich 2 RASAT.../27/06 12/19/06 Kompsat 2 Corot SAR Lupe 1 Rockot Soyuz...



Дата загрузки: 2017-12-26
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0.06/5
... PAN) EROS-A Israel (1.8 meters PAN) KOMPSAT-2 Korea (Ariang-2) (1 meter PAN) Pl... PAN) SPOT-7 France (1.5 meters PAN) KOMPSAT-3A Korea (Ariang-2) (.55 meter PAN...+ satellites constellation) launched from ISS KOMPSAT-3 Korea (Ariang-2) (.7 meter PAN) CartoSat... is that Korean operated satellite, KOMPSAT-3A, was successfully launched in March... and is now operational. The KOMPSAT-3A has a 16 5.5 meter resolution mid... cross-correlation. 72 Most significantly, KOMPSAT-3A now provides significantly finer resolution... resolution is now available via KOMPSAT 3-A, which can be used to....org/web/eoportal/satellite-missions/k/kompsat-3a Richard, J M., Paquette J P, Elbez J, “New And...



Дата загрузки: 2017-04-08
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0.04/5
... NSMC-CMA / NRSCC FY-3A FY-3A Polar-orbiting Meteorological Satellite NSMC... Air Pollution Events NASA GEO-KOMPSAT-2A Advanced MI Geostationary Korea...-Purpose Satellite-2A KARI GEO-KOMPSAT-2B Geostationary Korea Multi-Purpose... dynamics satellite D NSOAS / CAST HY-3A NSOAS / CAST HY-3B NSOAS... CDTI / ESA INSAT-3A Indian National Satellite - 3A ISRO INSAT-3D Indian... KOMPSAT-2 Korea Multi-Purpose Satellite -2 KARI KOMPSAT-3 Korea Multi-Purpose Satellite -3 KARI KOMPSAT-3A Korea Multi-Purpose Satellite -3A KARI... geo): Asc/desc: Ascending URL: kompsat.kari.re.kr/english/index... geo): Asc/desc: Ascending URL: kompsat.kari.re.kr/english/index... geo): Asc/desc: Ascending URL: KOMPSAT-5 Currently being flown 22 Aug.... Korea Multi-Purpose Satellite -5 KARI KOMPSAT-6 Korea Multi-Purpose Satellite -6 KARI... geo): Asc/desc: Ascending URL: kompsat.kari.re.kr/english/index... resolution: Swath width: Accuracy: GEO-KOMPSAT-2B Proposed Ocean colour instruments.... spectral radiometers (vis/IR) GEO-KOMPSAT-2A Proposed Meteor-MP N1... Scatterometers Ocean surface wind measurements. KOMPSAT-3 Operational High resolution optical imagers...: 4 m Swath width: 15 km Accuracy: KOMPSAT-3A Being developed High resolution optical.... spectral radiometers (vis/IR) INSAT-3A Operational Imaging multiCloud and vegetation... LIDAR (ASCENDS) ASCENDS Proposed Lidars KOMPSAT-5 Operational Imaging microwave SAR for... JAXA (NICT, NASA) DRT-S&R INSAT-3A, KALPANA-1 ISRO ECOSTRESS ECOSTRESS-on... aerosols. radiometers (vis/IR) FY-3A, FY-3B, FY-3C Operational... Investigation Lidar NASA GEMS GEO-KOMPSAT-2B Space environment Used for... CO in SWIR at 2.4 µm. FY-3A, FY-3B, FY-3C Operational... Earth disk Accuracy: 0.5 - 4.0 km FY-3A, FY-3B, FY-3C Imaging... Imaging multispectral radiometers (vis/IR) KOMPSAT-2 High resolution optical imagers High...-3F, FY-3G Approved FY-3A, FY-3B Operational Atmospheric temperature... resolution: Swath width: Accuracy: FY-3A, FY-3B Operational Atmospheric temperature... MicroWave Radiometer CONAE MWRI FY-3A, FY-3B, FY-3C, FY... night-day temperature sounding FY-3A, FY-3B Operational Atmospheric temperature... radars SARE-1B TBD TBD KOMPSAT-6 Approved Imaging microwave radars SAOCOM... Swath width: Accuracy: 25% FY-3A, FY-3B Operational Space environment... width: 97 km Accuracy: FY-3A, FY-3B, FY-3C, FY... rainfall maps over oceans. FY-3A, FY-3B, FY-3C Operational... Swarm Operational OPSIS Proposed INSAT-3A, KALPANA-1 Operational EUMETSAT (ESA) UVN...: N/A Accuracy: <0.5 nT/15 days FY-3A, FY-3B, FY-3C Multispectral... Measures sea-surface wind. HY-3A, HY-3B, HY-3C Proposed...



Дата загрузки: 2017-03-28
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0.03/5
... establish aerospace industry Naro rocket, KOMPSAT-5 and STSAT-3. policies and conduct... 2012, Korea successfully launched the KOMPSAT-3 Although the Korean space industry..., and in 2013, the KSLV-I, KOMPSAT-5 and international standing is not... implementing plans to activate the KOMPSAT-3A, mounted with both infra-red... growth in the 21st to KOMPSAT-3 to maximize use of technology..., Korea risk, cost, and time. KOMPSAT-3A is expected to be has... space launch vehicle developing the ‘KOMPSAT-2’ to become the world’s 7th...-3 1999 KOMPSAT-1 2003 STSAT-1 2006 KOMPSAT-2 2009/2010 STSAT-2 2010 COMS 2012 KOMPSAT-3 2013 STSAT-2C 2020 (TBD)) KOMPSAT-7 1992 KITSAT...-generation Communications KOMPSAT-6 Next-generation Next-generation GEO-KOMPSAT GEO-KOMPSAT 2B 2A... small satellite 1 2014 KOMPSAT-3A 2013 STSAT-3 2013 KOMPSAT-5 21 Space Programs | Science... | Korean Multi-purpose Satellite Program KOMPSAT-1, 2 KOMPSAT-1 The KOMPSAT-1 and 2 projects accomplished the... to obtain global market share. KOMPSAT-1, was launched on December 21... km in a sun-synchronous orbit.KOMPSAT-1 has four payloads on board...(HEPD). In December 1999, the KOMPSAT-2 project to develop a highly advanced... the technology obtained through the KOMPSAT-1 project. KOMPSAT-2 was successfully launched on... is operating KOMPSAT-2 at the same orbital altitude of KOMPSAT-1.KOMPSAT-2, equipped with... the National Space Development Program, KOMPSAT-3 and 5 will be developed and... begin by the year 2010. KOMPSAT-3, 3A KOMPSAT-3, Korea’s 13th satellite launched in... roads. With the launch of KOMPSAT-3, Korea became the fourth in... of color images is 2.8m. KOMPSAT-3 is expected to secure the... by the US and Europe. KOMPSAT-3A was built with the aim... also participating in the development. KOMPSAT-3A development began in 2006 and... forecasts that if the Satellite 3A infrared images are added to... taken by the previously launched KOMPSAT-3 and 5, it will be possible... the geological information technology. 24 KOMPSAT-3 KOMPSAT-5 KOMPSAT-5 was developed as an all... 22, 2013 from Yasny, Russia. KOMPSAT-5 is equipped with SAR(Synthetic.... Along with electro-optical satellites KOMPSAT-2 and 3, KOMPSAT-5 will be used to... sent when national disasters occur. KOMPSAT-5 Space Programs | KOREASAT Program KOREASAT... • S atellites Development : Mult i Purpose Satellites(KOMPSAT-3A/-5/-3/-2/-1), Core Parts • Aerostructures Development Business... •Aerospace •Card quick access recorder - KOMPSAT URL : www.withus.re.kr... EGSE(Electrical Ground Support Equipment) KOMPSAT-3A BUS Platform Assembly Integration&Test...



Дата загрузки: 2017-03-10
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0.08/5
... Republic Absolute Radiometric Calibration of KOMPSAT-3A H. Y. Ahna, D. Y. Shina, J. S. Kima, D. C. Seob, C. U. Choia... WORDS: Radiometric Calibration, TOA Radiance, KOMPSAT-3A, Radiative Transfer Code ABSTRACT: This... the Korea Multi-Purpose Satellite-3A (KOMPSAT-3A) performed by the Korea Aerospace... parameters were derived for the KOMPSAT-3A sensor to enable the conversion... the KOMPSAT-3A sensor, we performed a radiometric validation with a comparison of KOMPSAT-3A and... spectral band responses of the KOMPSAT-3A sensors at the Zuunmod, Mongolia... difference in TOA reflectance between KOMPSAT-3A and Landsat-8 image over the... band, the TOA reflectance of KOMPSAT-3A was lower than the that... passes of two sensors. The KOMPSAT-3Aensor includes a band pass near... 2. MEHTOD KOrea Multi-Purpose SATellite (KOMPSAT)-2 and -3 were commissioned to satisfy... Korea. On March 26, 2015, KOMPSAT-3A was launched successfully, and Calibration... application images. Since launching the KOMPSAT series, their imagery has been... promote the stable operation of KOMPSAT-3A during the LEOP. The study... parameters were derived for the KOMPSAT-3A sensor to enable conversion of... with radiometric validation by comparing KOMPSAT-3A and Landsat-8 TOA reflectance using... study, absolute radiometric calibration of KOMPSAT-3A AEISS-A was initiated using a reflectance... coefficient using a vicarious approach for KOMPSAT-3A, it was cross-validated with... the absolute calibration of the KOMPSAT series was established with KARI... during the LEOP after launching KOMPSAT-3A. A reference target with a uniform 0.42... Validation Figure 1. KOMPSAT-3A imagery at the Zuunmod site Figure 2. KOMPSAT-3A imagery at... the vicarious calibration coefficient of KOMPSAT-3A AEISS-A sensor radiometric quality. To... similar times (within 2~3 hr). Figure 3. KOMPSAT-3A and Landsat-8 image in Libya... the sensor aperture of either KOMPSAT-3A or Landsat-8 (W/m2 µm is the... TOA reflectance of Landsat-8 and KOMPSAT-3A were compared for the calibration... reference tarp used for the KOMPSAT-3A L1R image DN. TOA radiance... equation (3): using a vicarious approach for KOMPSAT-3A. Using the t-test, the absolute... and Goheung were similar for KOMPSAT-3. (3) where is the predicted spectral... the RTC and calculated the KOMPSAT-3A DN using a linear regression analysis... band and date gains of KOMPSAT-3A were calculated. Table 4. TOA Reflectance... band, the TOA reflectance of KOMPSAT-3A and Landsat-8 differed by ~8%. However... band and, unlike Landsat-8, the KOMPSAT-3A sensor reacted in a spectral region... the lower TOA reflectance of KOMPSAT-3A in the NIR band than... absolute radiometric calibration of the KOMPSAT-3A sensor. This contribution has been... 2016, Prague, Czech Republic The KOMPSAT-3A sensor was radiometrically calibrated using... radiance and RSR by the KOMPSAT-3A sensor at the Zuunmod and... TOA reflectance of Landsat-8 and KOMPSAT-3a were performed using Libya-4 PICS... the difference between Landsat-8 and KOMPSAT-3A NIR band is due to... maintaining the radiometric quality of KOMPSAT-3A without an onboard calibrator. Absolute... characterization and validation for the KOMPSAT-3 sensor.” Remote Sensing Letters 6 (7): 529.... “Absolute Radiometric Calibration of the KOMPSAT-2 Multispectral Camera Using a Reflectance-Based...



Дата загрузки: 2017-11-24
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0.09/5
... of Contact Overlap Time between KOMPSAT-3 and KOMPSAT-3A (1) Hwayeong Kim(1), Okchul Jung... KOMPSAT-3A was launched. It is a part of the KOrean MultiPurpose SATellite (KOMPSAT) Program developed and operated by Korea Aerospace Research Institutes (KARI). KOMPSAT-3A’s mission is to acquire satellite images for earth observation. KOMPSAT-3A and KOMPSAT... payload. The mission orbit of KOMPSAT-3A is a sun-synchronous orbit at... to the same LTAN between KOMPSAT-3A and KOMPSAT-3 with different altitude, the... is proposed to operate a KOMPSAT-3 and -3A in more efficient way. For... sequences of the KGS with KOMPSAT-3A and KOMPSAT-3 during operation period by... to decrease the possibility of KOMPSAT-3 and KOMPSAT-3A flying over the KARI... and their communication windows. Keywords: KOMPSAT-3, KOMPSAT-3A, Contact Overlap Time, Minimization of... Multi-Purpose SATellite (KOMPSAT) series, which include KOMPSAT2, KOMPSAT-3, KOMPSAT-5 and KOMPSAT-3A. Under Korea... of KOMPSAT series was summarized in Table 1 [2]. KOMPSAT-1, the first satellites of KOMPSAT... with a ground resolution of 6.6 meters [3], [4], [5]. KOMPSAT-2 was launched in July 2006... [6]. KOMPSAT-3 was launched in May 2012 using a similar bus architecture as KOMPSAT... August 2013, a Dnepr rocket launched KOMPSAT-5 that becomes the first radar... based on the heritage of KOMPSAT-2, which is parallel integration of... propulsion equipment [8]. Mission orbit of KOMPSAT-5 is a sunsynchronous and dawn-dusk... (LTAN) is 06:00 [9]. The KOMPSAT-3A was launched on March 25... for earth observation. KOMPSAT-3A is a part of the KOMPSAT Program developed and... Program Table 1. Development Status of KOMPSAT Series (As of September, 2015... Remark KOMPSAT-1 Dec. 21, 1999 KOMPSAT-2 Jul. 28, 2006 KOMPSAT-3 May 18, 2012 KOMPSAT-5 Aug. 22, 2013 KOMPSAT-3A Mar... 2. Mission Overview of KOMPSAT-3A KOMPSAT-3A is the sister of KOMPSAT-3. These have an identical satellite bus and similar payload. However, KOMPSAT-3A... for an electro-optical image. KOMPSAT-3A provides 0.55 meter Ground Sample... applications. The main mission of KOMPSAT-3A is to provide the following... island The mission orbit of KOMPSAT-3A is a sun-synchronous orbit which... of KOMPSAT-3A and KOMPSAT-3. Due to the same LTAN between KOMPSAT-3A and KOMPSAT-3 with... approach is proposed to operate KOMPSAT-3A and -3 in more efficient way... for the KOMPSAT-3A to minimize the contact overlap time with KOMPSAT-3. Table 2. Mission Orbits of KOMPSAT-3A and KOMPSAT-3 KOMPSAT-3A KOMPSAT-3 Payload EO... on Communication Windows of KOMPSAT-3A and KOMPSAT-3 To analyze of the close... contact sequence of KGS with KOMPSAT-3A and KOMPSAT-3 from April 16, 2015... Table 3. Pass Information of KOMPSAT-3A and KOMPSAT-3 Duration Loss of Signal Satellites... Figure 2. In this figure, Vk 3a and Vk 3 are each line... sight vector from KGS to KOMPSAT-3A and KOMPSAT-3. When the angle becomes.... During the passes, KOMPSAT-3 contacts 7.3 meter antenna and KOMPSAT-3A contacts 13 meter... and elevation angle difference between KOMPSAT-3 and KOMPSAT-3A during passes. It shows..., images of KOMPSAT-3 were a little bit loss of by KOMPSAT-3A. Figure 4. Actual... minimize the contact overlap between KOMPSAT-3A and -3 The phase of two... to decrease the possibility of KOMPSAT-3 and KOMPSAT-3A flying over a KGS at... 1, initial orbit elements of KOMPSAT-3 and KOMPSAT-3A are numerically propagated by using... step. Contact by KOMPSAT-3, Contact Overlap by KOMPSAT-3A Contact Duration(sec) 800... Contact Number Contact by KOMPSAT-3A, Contact Overlap by KOMPSAT-3 Contact Duration(sec... of KOMPSAT-3A is re-designed to minimize overlapping time between KOMPSAT-3 and KOMPSAT-3A... maneuver. Contact by KOMPSAT-3, Contact Overlap by KOMPSAT-3A Contact Duration(sec) 800... Contact Number Contact by KOMPSAT-3A, Contact Overlap by KOMPSAT-3 Contact Duration(sec... by tuning the altitude of KOMPSAT-3A, phasing of two satellites and... model. Orbit maneuvering plan of KOMPSAT-3A was summary as follows: - Semi...(sec) Contact by KOMPSAT-3, Contact Overlap by KOMPSAT-3A 800 600 400 200... Duration(sec) Contact by KOMPSAT-3A, Contact Overlap by KOMPSAT-3 800 600 400... Table 4. Re-design Results of KOMPSAT-3A Initial Orbit Elements Re-designed... approach is proposed to operate KOMPSAT-3 and -3A in more efficient way... sequences of the KGS with KOMPSAT-3A and KOMPSAT-3 during operation period by... to decrease the possibility of KOMPSAT-3 and KOMPSAT-3A flying over the KARI... Kim. "An Analysis of the KOMPSAT-1 Operational Orbit Evolution over 3 years...-Kyou Kim. "Orbit analysis for KOMPSAT-2 during LEOP and mission lifetime.... 9, pp.914-924, 2010. [7] H.S. Kim, “KOMPSAT-3 Development and Operation”, KSAS Magazine.... [8] Sang-Ryool Lee, "Overview of KOMPSAT-5 program, mission, and system." In... Operation for KOMPSAT-5 LEOP." 2012. [10] Korea Aerospace Research Institutes, “KOMPSAT-3A Spacecraft...



Дата загрузки: 2017-06-15
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0.02/5
... Ariane 4 AMC 4 Ariane 4 DM1 Arabsat 3A Ariane 4 Insat 2E Ariane 4 Koreasat... 6 Eutelsat W5 DirecTV 5 Nimiq 2 2 Astra 3A N-Star c 5 Ariane 4 Intelsat 907 Ariane... Sea Launch 6 Ariane 5 DM1 Insat 3A Ariane 5 Ariane 5 DM3 Insat 3E... 21 Ariane 5 Asiasat 5 DM1 Turksat 3A Ariane 5 DM4 JCSat 12 DM4... kg 4 2 3 (<5,510 lbm) DM3 Bsat 3A Ariane 5 AMOS 3 Land Launch DM3... 11 Ariane 5 Thor 5 Proton M Measat 3A DM4 Optus D2 Ariane 5 DM4... Gals-1 Gorizont 42 2 Long March 3A DMC Telecom - 2C Proton K/DM... 2D Ariane 4 Chinasat 7 Long March 3A Express 2 Proton K/DM Gorizont 43... 1 2 2 5 Total Spacecraft 1 2 3 5 Chinasat 6 Long March 3A ChinaStar-1 Sinosat-1 Long March 3B... 4B Chinasat 22A Long March 3A Insat 4C GSLV 2010 3 4 Sinosat... 3B ChinaSat 20A Long March 3A Insat 4D GSLV Express A2... K/DM Chinasat 22 Long March 3A 2004 2 4 Express AM-22 Proton... K/DM Chinasat 20 Long March 3A 2007 Ekran M Total Spacecraft Ariane... C - TBD DMCii (3) - TBD RCM 1 - TBD Kompsat 3A - Dnepr O3b (4) - Soyuz 2 Commercial Remote... 1A - Falcon 9 SAOCOM 1B - Falcon 9 Kompsat 5 - Dnepr Formosat 5 - Falcon 9 EnMap - PSLV... Test / Tech and Demo Dnepr KOMPSAT-5 1,280 / 2,822 Research Dnepr DubaiSat... SWARM 1-3 500 / 1,102 Research Dnepr KOMPSAT-3A 800 / 1,764 Research 2013 2014... 7/12/06 12/19/06 Kompsat 2 Corot Genesis 1 SAR Lupe 1 Rockot... have its performance characterized. KOMPSAT-3A: Also known as KOMPSAT-3’s “brother satellite,” KOMPSAT3A... Aviation Administration / Commercial Space Transportation KOMPSAT-5: KOMPSAT-5 is a 1,280-kilogram (2,816-pound...



Дата загрузки: 2017-04-24
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... DM DM ABS 2A ABS 3A Satmex 7 Satmex 9 Ariane 5 Ariane 5 Ariane... 2C Gökturk 1 - Vega EnMAP - PSLV Kompsat 3A - Dnepr SAOCOM 1B - Falcon 9 Deimos...-2C Gökturk 1 - TBD EnMAP - PSLV Kompsat 3A - Dnepr SAOCOM 1B - Falcon 9 Deimos... launch vehicle. • KOMPSAT-3A: Also known as KOMPSAT-3’s “brother satellite,” KOMPSAT-3A will include the... Research Institute (KARI) is developing KOMPSAT-3A, which will launch in 2015... K/DM Telstar 5 1 Ariane 4 DM1 Arabsat 3A Ariane 4 1 DM1 AMC 2 Ariane 4 DM4... Skynet 4F Ariane 4 DM1 Astra 3A Ariane 4 DM2 Nilesat 102 Ariane... Launch 6 Sea Launch 4 3 DM1 Insat 3A Ariane 5 Superbird 6 Atlas II DM3... Galaxy 17 Ariane 5 DM1 Turksat 3A Ariane 5 DMU JCSat 10 Ariane... AMC 18 Ariane 5 DM3 Bsat 3A Ariane 5 AMOS 3 Land Launch DM3... 5 DMU Galaxy 15 Ariane 5 Measat 3A Land Launch Galaxy 14 DMU... 1995 1996 1997 4 1 4 1 4 2 5 DFH 3-1 LM-3A DMC Telecom 2C Ariane 4 DMC... DM1 Yamal 201 1 Chinasat 6 LM-3A 2001 2000 3 Express A1 Proton... Proton K/DM 2002 Ariane 4 LM-3A Proton K/DM Proton K/DM Proton... K/DM Proton K/M Proton K/DM LM-3A 1 Ekran M 2005 2 3 2 3 Express AM 2 Express... Proton K/DM Chinasat 20 LM-3A 2007 2008 2009 Launches 4 4 3 1 Spacecraft... 9 LM-3B Chinasat 22A LM-3A Nigcomsat 1 LM-3B Express AM33... 6A LM-3B ChinaSat LM-3A 20A Insat 4D GSLV 10... 8/22/13 11/21/13 Kompsat-5 DubaiSat-2 SkySat-1 WINISAT-1 Dove 1-4 Dnepr... Gen.13-18 Nigeriasat-2 NX3B 3A 8/17/11 Sich 2 RASAT Edusat.../27/06 12/19/06 Kompsat 2 Corot SAR Lupe 1 Rockot Soyuz.../27/06 12/19/06 Kompsat 2 Corot SAR Lupe 1 Rockot Soyuz...



Дата загрузки: 2017-11-24
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Analysis on the Minimization of Contact Overlap Time between KOMPSAT-3 and KOMPSAT-3A (1) Hwayeong Kim(1), Okchul Jung(2), Hyeonjeong Yim(3) and Sang Il Ahn (4) Korea Aerospace Research Institute, 169-84 Gwahak-ro Yuseong-gu Deajeon 305-806 Korea, +82.42.870.3898, hykim@kari.re.kr (2) Korea Aerospace Research Institute, +82.42.860.2732, ocjung@kari.re.kr (3) Korea Aerospace Research Institute, +82.42.870.3933, smilehj@kari.re.kr (4) Korea Aerospace Research Institute, +82.42.860.2494, siahn@kari.re.kr Keywords: KOMPSAT-3, KOMPSAT-3A, Contact Overlap Time, Flight Dynamics Operations Abstract The KOMPSAT-3A was launched on March 25, 2015 at 22:08 universal time coordinate (UTC). Its mission is to acquire satellite images for earth observation. KOMPSAT-3A is a part of the KOrean Multi-Purpose SATellite (KOMPSAT) Program developed and operated by KARI, equipped with optical, infrared and radar payloads to deliver data needed for a variety of purposes. KOMPSAT-1, the first KOMPSAT, was launched in 1999. It carried an optical imager with a ground resolution of 6.6 meters. KOMPSAT-2 was launched in July 2006 and delivered imagery at a 1 meter ground resolution. KOMPSAT-3 was launched in May 2012 using a similar bus architecture as KOMPSAT-2 but an improved optical payload that reached a resolution of 0.7 meter for panchromatic imagery. In August 2013, a Dnepr rocket launched KOMPSAT-5, becoming the first radar satellite, outfitted with a Synthetic Aperture Radar (SAR) capable of covering a wide ground swath or operating in a high resolution mode delivering imagery at a 1 meter resolution. KOMPSAT-3A is the sister of KOMPSAT-3. It’s using an identical satellite bus and payload with the only difference being an added infrared capability. The mission orbit of KOMPSAT-3A is a sun-synchronous orbit at 528 Kilometers in altitude, inclined 98.513 degrees. Orbit period is about 95.3 minutes and mean local time of ascending node (LTAN) is 13:30 P.M. Table 1 show the mission orbit of KOMPSAT-3A and KOMPSAT-3. Table 1. Mission Orbit of KOMPSAT-3A and KOMPSAT-3 KOMPSAT-3A KOMPSAT-3 Launch date March 25, 2015 May 18,2012 Altitude 528 kilometers 685 kilometers Inclination 97.513 degrees 98.13 degrees Orbit Period 93.5 minutes 98.5 minutes Mean LTAN 13:30 P.M. 13:30 P.M. Due to the same LTAN and different altitude, the close approach of two satellites are foreseen. For example, the difference of orbital periods makes two satellites approach each other every 2 days. In this paper, the optimization approach is proposed to operate a KOMPSAT-3 and -3A in more efficient way. For this purpose, we examine the communication windows, geometrical characteristic between KARI Ground Station (KGS) and two satellites, etc.. Also, this paper presents a mitigation plan for the KOMPSAT-3A to minimize the contact overlap time with KOMPSAT-3. The phasing of two satellites are proposed so as to decrease the possibility of 1 KOMPSAT-3 and 3A flying over a KGS at the same time. As a result, contact overlap time between two satellites and KGS are remarkable minimized, and frequency interference, issues are resolved. Finally, the period orbit maneuvers to keep the phasing needed are analyzed through numerical simulations. To analyze of the close approach effect, we confirmed contact sequence of the KGS with KOMPSAT-3 and KOMPSAT-3A from April 16, 2015 to May 1, 2015 using the real orbit data. During 15 days, KGS contact with satellites about 15 times at the same time. From among these cases, only 3 cases have interference possibility due to the angle between KGS and two satellites is under 2 degrees as Figure 1. In this cases, the operational impact will be analyzed by real test data on the contact overlap time between KGS and two satellites. Figure 2 show an illustrative design example of orbit maneuvers result. Here, Only KOMPSAT-3A’s orbit is re-designed. During 3 months period, the interference possibility is removed that angle between KGS and two satellites are not under 1 degrees. Mean relative distance of two satellites is about 1160km. Assuming the ground speeds of satellites are about 7 kilometer per second, differences of acquisition of ssignal (AOS) between satellites and KGS are about 166sec. This paper will present more representative analysis result of real satellite operation and could be a reference to setup an operational strategy for the multiple satellite operations on terms of orbit and their communication windows. Figure 1. Analysis on the Geometry Characteristics between KGS and two Satellites Figure 2. Design Example of Orbit Maneuvers Result 2



Дата загрузки: 2017-12-10
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... (Cartosat-3), MX (Cartosat-3), HYSI (Cartosat-3/3A) Currently being flown 29 Sep... NSMC-CMA / NRSCC FY-3A FY-3A Polar-orbiting Meteorological Satellite NSMC... Air Pollution Events NASA GEO-KOMPSAT-2A Advanced MI Geostationary Korea...-Purpose Satellite-2A KARI GEO-KOMPSAT-2B Geostationary Korea Multi-Purpose... dynamics satellite D NSOAS / CAST HY-3A NSOAS / CAST HY-3B NSOAS... CDTI / ESA INSAT-3A Indian National Satellite - 3A ISRO INSAT-3D Indian... ROSKOSMOS / ROSHYDROMET KOMPSAT-2 Korea Multi-Purpose Satellite -2 KARI KOMPSAT-3 Korea Multi-Purpose Satellite -3 KARI / DLR KOMPSAT-3A Korea Multi-Purpose Satellite -3A KARI / DLR KOMPSAT-5 Korea Multi... geo): Asc/desc: Ascending URL: kompsat.kari.re.kr/english/index... geo): Asc/desc: Ascending URL: kompsat.kari.re.kr/english/index... geo): Asc/desc: Ascending URL: kompsat.kari.re.kr/english/index...-3 Ocean Satellite-3 ISRO OCEANSAT-3A Ocean Satellite-3A ISRO OCO-2 Orbiting Carbon...: www.isro.org/ TIR (Oceansat-3/3A), OCM Type: Sun-synchronous (Oceansat-3/3A) Altitude: 720 km Period: 99....: www.isro.org/ TIR (Oceansat-3/3A), OCM Type: Sun-synchronous (Oceansat-3/3A) Altitude: 720 km Period: 99.... resolution: Swath width: Accuracy: GEO-KOMPSAT-2B Proposed Ocean colour instruments.... spectral radiometers (vis/IR) GEO-KOMPSAT-2A Proposed Meteor-MP N1... Scatterometers Ocean surface wind measurements. KOMPSAT-3 Operational High resolution optical imagers...: 4 m Swath width: 15 km Accuracy: KOMPSAT-3A Being developed High resolution optical.... spectral radiometers (vis/IR) INSAT-3A Operational Imaging multiCloud and vegetation... Atmospheric chemistry ASCENDS Proposed Lidars KOMPSAT-5 Operational Imaging microwave SAR for... up to 65 degrees. INSAT-3A, KALPANA-1 Operational Relay of search... resolution: N/A Swath width: N/A Accuracy: FY-3A, FY-3B, FY-3C Operational...-3F TBD Atmospheric chemistry GEO-KOMPSAT-2B Being developed Atmospheric chemistry... Hyperspectral Imager NASA HYSI (Cartosat-3/3A) Hyperspectral SWIR ISRO HYSI-SWIR... CO in SWIR at 2.4 µm. FY-3A, FY-3B, FY-3C Operational... Earth disk Accuracy: 0.5 - 4.0 km FY-3A, FY-3B, FY-3C Imaging... and natural resources management, etc. KOMPSAT-2 Operational High resolution optical imagers...-3F, FY-3G Approved FY-3A, FY-3B Operational Atmospheric temperature... resolution: Swath width: Accuracy: FY-3A, FY-3B Operational Atmospheric temperature..., clouds liquid water. n radiometers FY-3A, FY-3B, FY-3C, FY... temperature and humidity sounders FY-3A, FY-3B Operational Atmospheric temperature... of primary productivity. OCEANSAT-3, OCEANSAT-3A Proposed Ocean colour instruments Ocean... ISRO OCM (Oceansat-3/3A) Ocean Colour Monitor (Oceansat-3/3A) ISRO OCS Ocean... Situ Suite NOAA SEM FY-3A, FY-3B Operational Space environment... Global Imager JAXA SIM FY-3A, FY-3B, FY-3C, FY... Monitor NASA TIR (Oceansat-3/3A) OCEANSAT-3, OCEANSAT-3A Thermal Infrared Radiometer (Oceansat3/3A) ISRO TIRS Earth radiation Measurement ... microwave) maps over oceans. FY-3A, FY-3B, FY-3C Operational... High resolution optical imagers INSAT-3A, KALPANA-1 Operational UV-VIS-NIR... Suite NOAA (NASA) VIRR FY-3A, FY-3B, FY-3C Operational..., FY-3G Prototype Scatterometers HY-3A, HY-3B, HY-3C Proposed...