- Email: [email protected]
5.6. Geostationary meteorological satellite-4 launched
Paris, la Direction des Lanceurs installee a l?vry, le Centre spatial de Toulouse (CST) et le Centre spatial guyanais (SCG) a Kourou. Les activites du CNES sont de deux sortes: la participation francaise aux differents prograrnmes de l’ESA, la realisation des projets sur le plan national ou bilateral. Les programmes nationaux incluent les activitb de recherches et developpement, Spot, T&corn-l et 2, et le futur satellite militaire d’observation Helios. La cooperation bilaterale comprend des projets scientifiques avec les Etats-Unis (dont Topex Poseidon), 1’Union Sovietique (Aragatz, telescopes Gamma-l et Sigma), 1Allemagne Fed&ale (TVSat/TDF-1). Le CNES participe aussi au programme international Sarsat-Cospas ainsi qu’aux grands projets europeens Ariane et Hermes. Avec cette nouvelle organisation et la contribution des structures existantes que sont le Secretariat General, le Centre spatial guyanais, la Direction centrale de la Qualite, la Delegation a la Communication, le CNES se donne les moyens d’assumer les responsabilites qui lui sont confides et de forger les outils qui assureront son developpement et celui des activites spatiales francaises. 5.5.
SPOT-4 AU CONSEIL DES MINISTRES’S’
Le 16 aotit 1989, le ministre des Postes, des Telecommunications et de 1’Espace et le ministre de la Recherche et de la Technologie ont presente au Conseil des ministres le programme Spot-4 qui permet ‘d’assurer un service de qualite accrue jusqu’a la fin du siecle dans une perspective de continuite et d’efficacite croissante. Lobservation depuis l’espace permet une vision constamment remise a jour de notre planete avec des applications dans des domaines comme la meteorologie, la cartographic, l’etude de l’environnement, I’amenagement du territoire, la planification urbaine. Le programme Spot permet l’observation des terres emergees avec une precision inegalee a ce jour dans le domaine civil.
5.6. GEOSTATIONARY
METEOROLOGICAL
SATELLITE-4
LAUNCHED’”
NASDA launched the Geostationary Meteorological Satellite-4 (GMS-4) by H-I launch vehicle No. 5 (H2OF) at 0411 JST on 6 September 1989, from the Tanegashima Space Center, Kagoshima. Though the launch was delayed due to the bad weather and the malfunction of a vernier engine of the first stage liquid propulsion system, replacement of a pair of vernier engines contributed to the successful launch. cS)From La Leme du CNES No. 124,16 October 1989. @)From NASDA Report No. 6, October 1989.
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GMS-4 was injected into the pkumed orbit, 1 h 23 min. after lift-off. The satellite will finally be injected into geostationary orbit position at 14O”E in early December, when its operation will be transferred to the Japan Meteorological Agency (JMA) for weather forecasts and mo~to~ng of typhoons, rain and snow storms. Weighing 325 kg GMS-4 has a service life of five years and will replace GMS-3, launched in August 1984 to meet increasing demands of meteorological services in Japan. The cloud distribution pictures are used in a wide area including the countries in Southeast Asia and the Western Pacific.
5.7. OPERATIONAL PHASE OF MOS-1 COMPLETED’7’
The Marine Observation Satellite-l (MOS-I), familiarly known by the nickname ‘MOM0 (peach blossom)-1’ has operated satisfactory even after the expiration of its design life of two years. Launched on 19 February 1987 as the first Japanese Earth observation satellite, the planned mission of MOS-1 was successfully completed on 18 February 1989. Since shifting to the operational phase from the early orbit phase, the MOS-1 operations network was built up with the Earth Obse~ation Center, Saitama, as the nucleus. Operations, such as integrating the operational requirements of various organizations, coordination with the tracking and data acquisition network including the Tracking and Control Center of Tsukuba Space Center, transmitting command signals and monitoring operational and functional status of the satellite, have been carried out continuously. During this period, six orbit control operations and five operations to maintain Sun-synchronous orbit were performed. Earth observation images were received and processed every day, and distributed on a trial basis. Large-scale distribution began after the data processing system had been established, and the reception of satisfactory images was verified. The ‘MOS-1 Verification Programme’ was planned in order to evaluate the MOS-1 observation system from various perspectives. Cooperation from many participating organizations was obtained with seventy-three participants. Various research projects were carried out under ninety verification themes and their results described at report meetings which took place three times during this period, The usetiess of the MOS-1 observation system was also verified in these meetings. Images from MOS-1 are being received by ten stations located in Japan and overseas under agreements with each organization. The direct reception of images at Kumamoto Station of Tokai University, Kum~oto prefecture started in May 1987, and at the four ESA stations in July (‘)From NASDA Report No. 5, August 1989.
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SPOT-4 AU CONSEIL DES MINISTRES’S’
Le 16 aotit 1989, le ministre des Postes, des Telecommunications et de 1’Espace et le ministre de la Recherche et de la Technologie ont presente au Conseil des ministres le programme Spot-4 qui permet ‘d’assurer un service de qualite accrue jusqu’a la fin du siecle dans une perspective de continuite et d’efficacite croissante. Lobservation depuis l’espace permet une vision constamment remise a jour de notre planete avec des applications dans des domaines comme la meteorologie, la cartographic, l’etude de l’environnement, I’amenagement du territoire, la planification urbaine. Le programme Spot permet l’observation des terres emergees avec une precision inegalee a ce jour dans le domaine civil.
5.6. GEOSTATIONARY
METEOROLOGICAL
SATELLITE-4
LAUNCHED’”
NASDA launched the Geostationary Meteorological Satellite-4 (GMS-4) by H-I launch vehicle No. 5 (H2OF) at 0411 JST on 6 September 1989, from the Tanegashima Space Center, Kagoshima. Though the launch was delayed due to the bad weather and the malfunction of a vernier engine of the first stage liquid propulsion system, replacement of a pair of vernier engines contributed to the successful launch. cS)From La Leme du CNES No. 124,16 October 1989. @)From NASDA Report No. 6, October 1989.
61
GMS-4 was injected into the pkumed orbit, 1 h 23 min. after lift-off. The satellite will finally be injected into geostationary orbit position at 14O”E in early December, when its operation will be transferred to the Japan Meteorological Agency (JMA) for weather forecasts and mo~to~ng of typhoons, rain and snow storms. Weighing 325 kg GMS-4 has a service life of five years and will replace GMS-3, launched in August 1984 to meet increasing demands of meteorological services in Japan. The cloud distribution pictures are used in a wide area including the countries in Southeast Asia and the Western Pacific.
5.7. OPERATIONAL PHASE OF MOS-1 COMPLETED’7’
The Marine Observation Satellite-l (MOS-I), familiarly known by the nickname ‘MOM0 (peach blossom)-1’ has operated satisfactory even after the expiration of its design life of two years. Launched on 19 February 1987 as the first Japanese Earth observation satellite, the planned mission of MOS-1 was successfully completed on 18 February 1989. Since shifting to the operational phase from the early orbit phase, the MOS-1 operations network was built up with the Earth Obse~ation Center, Saitama, as the nucleus. Operations, such as integrating the operational requirements of various organizations, coordination with the tracking and data acquisition network including the Tracking and Control Center of Tsukuba Space Center, transmitting command signals and monitoring operational and functional status of the satellite, have been carried out continuously. During this period, six orbit control operations and five operations to maintain Sun-synchronous orbit were performed. Earth observation images were received and processed every day, and distributed on a trial basis. Large-scale distribution began after the data processing system had been established, and the reception of satisfactory images was verified. The ‘MOS-1 Verification Programme’ was planned in order to evaluate the MOS-1 observation system from various perspectives. Cooperation from many participating organizations was obtained with seventy-three participants. Various research projects were carried out under ninety verification themes and their results described at report meetings which took place three times during this period, The usetiess of the MOS-1 observation system was also verified in these meetings. Images from MOS-1 are being received by ten stations located in Japan and overseas under agreements with each organization. The direct reception of images at Kumamoto Station of Tokai University, Kum~oto prefecture started in May 1987, and at the four ESA stations in July (‘)From NASDA Report No. 5, August 1989.
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