Maroc : le satellite Mohammed VI-B sur orbite Succès sur toute la ligne pour le lancement du satellite d'observation de la Terre Mohammed VI-B par le Centre spatial guyanais de Kourou, en Guyane. Mohammed VI-A, le satellite marocain, sera lancé dans la nuit du mardi au mercredi 8 novembre à 1h42 heure marocaine. It has orbited more than 580 satellites since 1980, using its family of three launchers, Ariane, Soyuz and Vega, from launch sites in French Guiana (South America) and Baikonur, Kazakhstan. Documentation shows MN35-A uses a single ground station in Rabat, Morocco. Mohammed VI est un système de 2 satellites de reconnaissance [2] et d'observation de la Terre (A et B) du type Pléiades, conçu par Thales Alenia Space (conception de la charge) et Airbus (conception de la plate-forme satellitaire) [3] pour le compte du Centre royal de télédétection spatiale ().. Main mission: high-resolution land observation. The pointing accuracy is better than 2 arcsec in FOV error and 10 arcsec for noise, translating to a pointing knowledge on the ground of 10 meters and a pointing accuracy better than 200 meters. This arrangement allows the compact instrument to achieve a focal length of 12.9 meters. HH Sheikh Mohammed bin Rashid Al Maktoum, Vice President and Prime Minister of the UAE and Ruler of Dubai, has announced a new satellite project called the MBZ-SAT, which will become the second Emirati satellite to be fully developed and built by a team of Emirati engineers after the KhalifaSat. Un deuxième est annoncé pour 2018. Initially the mission was referred by the internal designation " MN35-13 ". Online 3D Satellite Tracking, with more than 15,000 satellites, pass and flare predictor. This launch marks the 13th successful mission in a row for Vega since it entered service in 2012, as Arianespace continues to prove that its light launcher is a perfect match for the requirements of both government and commercial customers. Sign up for regular e-mail updates on Arianespace’s latest activities. AstroSat-1000 uses a hexagonal structure combining an aluminum truss structure and honeycomb side and internal panels provide mounting surfaces for the various satellite systems. Arianespace uses space to make life better on Earth by providing launch services for all types of satellites into all orbits. A separate Payload Data Compression Unit accepts the raw video data and handles compression by up to a factor of 7 before storing the data in a Solid State Recorder. The satellites’ uses. The MOHAMMED VI – B satellite will mostly be used for mapping and land surveying, regional development, agricultural monitoring, the prevention and management of natural disasters, monitoring changes in the environment and desertification, and border and coastal surveillance. 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Vega C will boost performance in terms of payload capacity (weight and volume), enabling it to carry out an even broader spectrum of missions (from nanosatellites to large optical and radar observation satellites), and will further improve the competitiveness of Arianespace’s launch services. The MOHAMMED VI – B satellite is the 155th satellite built by Thales Alenia Space to be launched by Arianespace, which has 11 more satellites from this manufacturer in its order book. According to official information, the two satellites will be used for mapping and land surveying, regional development, agricultural monitoring, disaster prevention and monitoring, environmental and desertification monitoring as well as border and coastal surveillance. Arianespace is ready to launch the MOHAMMED VI–A satellite on behalf of the Kingdom of Morocco on Nov. 7, 2017, at 10:42 p.m.GFT (01:42 GMT Nov. 8). In addition to single-strip imaging, the satellite can be slewed to assemble a 110 by 120-Kilometer mosaic in a single pass. Documentation on AstroBus-L shows the typically available payload power around 250 Watts. This is primarily accomplished through the use of Control Moment Gyros for attitude control, providing much higher output torque than conventional reaction wheels which enables rapid re-orientation maneuvers that take only eleven seconds for typical target-to-target slews (200km) and 25 seconds from nadir to the outer edge of an 800km field of regard compared to slews of over a minute if typical reaction wheels were used. HD Images and video of the Earth from space MOHAMMED VI-A - NORAD 43005 - 3D Online Satellite Tracking Mohammed VI A, B (MN35-13) Home. Each channel features a pair of filters, one setting broader spectral window and a second optimized to finely define the bandpass according to the respective channel’s requirements. The Star Tracker can autonomously acquire the spacecraft’s attitude from a lost in space scenario in under four seconds and tracks 12 stars within its field of view to calculate the three-axis attitude, delivering eight attitude quaternions every second. Baptisé du nom de l’actuel Roi du Maroc, Mohammed VI, l’engin spatial servira notamment d’outil d’observation. Maroc Le 01 novembre 2017. The project was treated with some secrecy and details like the project’s timeline are unclear, though the order for the satellites was placed around December 2013 with Thales’ share given as around €300 million. Explore near real-time weather images, rainfall radar maps, and animated wind maps. The SEDHI boards also provide the low-noise power supplies for their respective detector elements, host the detector clock drivers, synchronization interface and control&command interfaces with the Instrument Control Unit. For spectral selection, optical bandpass filters are placed very close to the detectors to set the wavelength range for all of the line elements. It joins the MOHAMMED VI – A satellite which was orbited by Arianespace on November 7, 2017, also using a Vega launcher. The telescope has a field of view of 20 Kilometers on the ground. The 1.3-Kilogram Optical Head is installed directly on the imaging instrument, featuring a 22-centimeter, thermally decoupled baffle of 0.9 Kilograms while the 1.5kg electronics box is installed within the satellite structure. The thrusters are available for assistance in attitude control but primarily used for orbit adjustments at the start of the mission and orbital maintenance over the course of the planned ten-year service life of the satellite. Instrument description not yet available. A great contribution to the country’s mapping and agriculture All mirrors are made of Zerodur, selected because of its excellent thermal properties, and the telescope structure uses Silicon Carbide, characterized by low thermal expansion, low density and high stiffness – ideal characteristics for space-based telescopes. With the launch of this satellite today, we are extending a long-standing partnership with Thales Alenia Space and Airbus. Arianespace Thales Alenia Space, responsable du système, a fourni la charge utile comportant l’instrument optique, le sous-système de transmission image ainsi que le segment sol de traitement et production des images. More information. Thales Alenia Space, as system prime contractor, supplied the payload, including the optical instrument, the image transmission subsystem and the ground segment for image processing and production. Ce deuxième lancement constitue une étape importante du développement de l’activité spatiale au Maroc, a indiqué Natalie Claudet, en charge du programme. More (Source: Security Magazine - Apr 20) The MS side has very long multispectral stripe filters using a single piece of substrate with four stripe elements over the detector window for minimization of chromatic aberrations. – Jeune Afrique SEDHI is highly modular, allowing it to be configured for a broad range of detector sizes with one or two detectors handled on one circuit board as part of an all-on-one board concept – having the entire pre-amplification to digitization chain on a single building block. This website uses cookies. By continuing to browse the website, you are agreeing to our use of cookies. on Moroccan Image Reconnaissance Satellite Sent into Orbit by European Vega Rocket, on Video: Vega Launches Mohammed VI-A Satellite, on Vega Rocket Cleared to Launch Imaging Satellite for Morocco, on Photos: Vega Launch Campaign for Moroccan Mohammed VI-A Satellite, Moroccan Image Reconnaissance Satellite Sent into Orbit by European Vega Rocket, Video: Vega Launches Mohammed VI-A Satellite, Vega Rocket Cleared to Launch Imaging Satellite for Morocco, Photos: Vega Launch Campaign for Moroccan Mohammed VI-A Satellite. Eight processing and four command/control modules are part of the baseline architecture which can be considered an end-to-end “photon in – bit out” system. Le satellite A est lancé le 8 novembre 2017 [4] et le satellite B le 21 novembre 2018 [5 Internal satellite communications are handled via a redundant MIL-STD-1553B data bus with one bus in use for the platform equipment and another for the instrument (the addition of high-speed SpaceWire technology between the Pleiades missions and MN35-A would be a logical step, but cannot be confirmed due to lack of documentation). The detector charge transfer was synchronous with the velocity of the scan image swept out by the satellite. The propulsion module sits all the way in the back of the spacecraft and the only platform systems on the Earth-facing panel of the vehicle are the communications antennas for housekeeping and telemetry data. The CMG assembly is controlled by a single electronics box and each CMG draws a maximum power of 25 Watts. Le Maroc rejoint le cercle fermé des pays africains détenteurs de satellite en orbite. The spacing between each MS line was 936µm. Spacecraft by country. Tout ce qu'il faut savoir sur le satellite Mohammed VI-A, bientôt sur orbite . Morocco. The MOHAMMED VI – B satellite is the second spacecraft launched by Arianespace for the Kingdom of Morocco, within the scope of the country’s Earth observation program, MOHAMMED VI – A & B. A dedicated Instrument Management Unit is in charge of instrument thermal control, mechanisms control, detection unit power conversion, and data processing. It joins the MOHAMMED VI – A satellite which was orbited by Arianespace on November 7, 2017, also using a Vega launcher. Four 1-Newton thrusters employ the catalytic decomposition of Hydrazine into gaseous reaction products over a metallic catalyst to generate high-pressure gas. The satellite’s Command and Data Handling System centralizes all computing, monitoring and reconfiguration functions to the On Board Management Unit, OBMU, that hosts an ERC 32 RSIC processor as central computing element. Like its predecessors, MN35-A hosts a Monopropellant Propulsion Module featuring a central surface tension tank containing up to 78 liters of Hydrazine (50 l fill level used for Pleiades), pressurized to 25 bar. Ce lancement fait suite à celui du satellite «Mohammed VI-A» mis en orbite, le 7 novembre 2017, également par Arianespace, la […] This field is for validation purposes and should be left unchanged. Après l’Égypte et l’Afrique du Sud, le royaume chérifien a lancé avec succès son premier satellite d’observation, Mohammed VI-A, le 8 novembre dernier. The spacecraft is equipped with three 2.3 by 1.0-meter solar panels that are fixed in position and feature triple-junction Gallium-Arsenide solar cells for maximum performance in order to minimize the physical dimensions of the arrays, also employing Lightweight Panel Structure designs to further reduce the amount of mass away from the satellite’s center of mass. Arianespace was contracted in January 2017 for the launch of both satellites on Vega rockets in 2017 and 2018. The overall image geo-location accuracy will be better than 10 meters for 90% of images collected; one meter with ground control points. Le satellite d’observation de la terre «Mohammed VI-B» a été lancé avec succès, dans la nuit de mardi à mercredi, par Arianespace via son lanceur Vega, depuis la base de Kourou, en Guyane française. Space in Africa. Including this mission, Arianespace has now orbited 67 Earth observation satellites using its family of launchers: Ariane, Soyuz and Vega, for institutional and commercial customers. Overview. The CMGs have an angular momentum of 15 Nms, can output a maximum torque of 45 Nm and will operate at an average torque of 19 Nm. It is understood that all these satellites are based on the AstroSat-1000 platform and share similar capabilities with the missions launching in 2017-19 featuring a number of improvements. Morocco launched the country’s first microsatellite in 2001 when it’s Maroc-TUBSAT (Zarkae Al Yamama), a joint undertaking between the country’s Royal Centre for Remote Sensing and the German Technical University of Berlin, hitched a … The launch of the Mohammed VI-B should take place a year after the first Moroccan … Arianespace is also gearing up for the future with Vega C, the new generation of this light launcher, scheduled to make its first flight at the end of 2019. Arianespace has successfully launched the MOHAMMED VI - B Earth observation satellite, developed for the Kingdom of Morocco by a consortium comprising Thales Alenia Space as system prime contractor and Airbus as co-prime. Satellite Mohammed VI-A: le Maroc devient une puissance spatiale (média mexicain) Par Le360 (avec MAP) le 11/11/2017 à 09h27 (mise à jour le 11/11/2017 à 11h07) Mohammed VI-A, also known under the code name MN35-13 and MN35-A, is a reconnaissance satellite built by Thales Alenia Space and Airbus Defence and Space as the first in a two-satellite system to be operated by the Kingdom of Morocco, primarily for space-based image intelligence collection and as mapping and environmental monitoring platform. This enables the satellite to accelerate to slew rates of 3 degrees per second in just two seconds and traverse its entire field of regard in under half a minute. Vega will perform another emblematic mission in 2019, a demonstration flight for the SSMS (Small Spacecraft Mission Service), capable of carrying up to 81 smallsats. Overall, CMGs require less energy and deliver much higher torque than reaction wheels which are simpler in design and, for most spacecraft, are the best solution. It should be similar to the High-Resolution Imager (HiRI) of the Pléiades satellites, i.e. The Mohammed VI-B satellite is capable of taking double the number of images that Mohammed VI-A can take with a resolution of up to 70 centimeters. Shortly before launch of the fist satellite, they were named Mohammed VI A and B. CMGs differ from reaction wheels that impart toque by simply changing the speed at which they rotate.
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