India’s Polar rocket PSLV today successfully put into orbit seven satellites in the span of four minutes including a Indo-French oceanographic spacecraft that will study changes in the environment,completing its 22nd consecutive flawless launch.
After a textbook launch witnessed by President Pranab Mukherjee here,Indian Space Research Organisation’s workhorse Polar Satellite Launch Vehicle(PSLV) placed into orbit in one single mission all the seven spacecraft — Indo-French oceanographic study satellite ‘SARAL’ and six foreign mini and micro satellites.
The PSLV-C20 rocket blasted off from the Satish Dhawan Space Centre in clear weather at 6.01 pm at the end of the 59-hour countdown,marking the 103rd mission of ISRO and yet another testimony to India’s Space prowess. In 2008,India successfully launched 10 satellites in a single mission,boosting its capabilities in space.
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The lift-off,scheduled for 5.56 pm,was delayed by five minutes to avoid probability of collision with space debris,a normal cautionary step in a launch mission,ISRO sources said.
Soaring into clear weather,the 44.4 metre tall 230-tonne rocket,in its core alone variant,injected the 409 kg Indo-French satellite SARAL first into orbit about 18 minutes after the lift-off,followed by six other foreign satellites in about four minutes as the scientists broke into cheers.
India has reaffirmed its commercial launch capabilities with today’s launch of SARAL’s co-passengers — SAPPHIRE and NEOSSat (Canada),AAUSAT3 (Denmark),micro satellites BRITE and UniBRITE from Austria and STRaND from United Kingdom,with a combined weight of 259.5 kg.
Congratulating scientists for the ‘remarkable launch’ and ‘meticulously executed’ mission,Mukherjee said the success has reaffirmed PSLV’s efficacy,accuracy and reliability.
Reflecting its successful run in commercial operations,today’s launch took the total number of overseas spacecraft put into orbit by ISRO to 35.
PSLV yet again proved itself as a reliable robust rocket completing its 22nd consecutive succesful launch in its 23 missions after the failure of the first one.
The SARAL-Altika satellite,a joint project of the space agencies of India and France,will complement the observations of the seas made by current satellites. It would be one of the very few ocean-centric satellites and a vital cog in studying sea surface heights and other aspects.
The ISRO-built SARAL is short for Satellite with Argos and ALtiKa,the two main devices on it which have been provided by French space agency CNES. The two payloads have a mission life of five and three years respectively.
Besides building the spacecraft,ISRO will launch and operate it through its life giving a fillip to Indo-French space cooperation.
AltiKa is a Ka-band altimeter system,dedicated to accurate measurement of the rise in the sea levels.
The satellite would be useful in studying the sea state,light rainfall climatalogy,mean sea level and coastal altimetry.
It would help ocean scientists gather accurate data on the rise in the sea level which could threaten the low lying and coastal areas of the country.
The spacecraft will provide data products to operational and research user communities,in support of marine meteorology and sea state forecasting; operational oceanography; seasonal forecasting; climate monitoring; ocean,earth system and climate research,ISRO said.
Altimeter (Altika) would help study the sea surface heights while Argos is a satellite-based data collection platform.
SARAL,placed in orbit 785 km above the earth,is the first mission under Indian Mini-Satellite (IMS) Bus series-2. This platform,developed by ISRO,is aimed at carrying medium sized payloads useful for applications in areas of earth imaging,ocean and atmospheric studies.
ISRO had initially planned to launch SARAL on December 12 last year but deferred it to carry out additional tests to address technical issues to ensure reliability.
Among the foreign satellites,the 74-kg NEOSSat (Near Earth Object Surveillance Satellite),built by Canada-based Microsat Systems,is aimed at detecting and tracking asteroids that might pose a threat to earth,reminded grimly by the recent strike of a meteor that streaked across the Russian skies.
The meteor had exploded with a force 30 times greater than the Hiroshima nuclear bomb,injuring around 1,200 people,bringing to focus the need to keep track of the innumerable of the near earth objects.
Andhra Pradesh Governor E S L Narasimhan and Chief Minister N Kiran Kumar Reddy and Minister of State in the PMO V Narayanasamy witnessed the launch along with Mukherjee and ISRO Chairman K Radhakrishnan.
Three of the foreign satellites launched today belong to educational institutions.
The 14-kg UNIBRITE has been made by University of Vienna in Austria to photometrically measure low-level oscillations and temperature variations in stars brighter than visual magnitude,while BRITE sent by Technical University of Graz,Austria,will make photometric observations of some of the brightest stars in the sky.
The micro satellite AAUSAT-3,weighing just three kg,belongs to Aalborg University of Denmark and has been designed to make a feasibility study of receiving Automatic Identification System signals from ships in arctic regions.
The 148-kg SAPPHIRE satellite of Canada would be used to obtain time-tagged images from space of the Resident Space Objects (RSO) and then extract the precise angular positions of the RSOs.
STRaND-1,deployed by UK’s Surrey Satellite Technology Limited (SSTL),would evaluate the performance of Commercial Off-the-Shelf Mobile Phone Electronics in a space environment and demonstrate the use of pulsed plasma thrusters on nano-satellites.
Prez hails ISRO for succesful PSLV launch
Hailing Indian Space Research Organisation(ISRO) for its track record in launches,President Pranab Mukerjee today said the country was looking forward to the success of home-grown GSLV mission.
After witnessing the successful launch of PSLV C20 carrying Indo-French satellite SARAL and six foreign spacecraft from the spaceport here,located about 110 km from Chennai,he also congratulated the ISRO team for the feat and wished success for its future ventures including the Mars Mission scheduled later this year.
“The PSLV has become a household name in our country and this mission would only reaffirm this position through its efficacy,accuracy and reliability of this launch vehicle,” he said,adding India’s launch capabilities had been acknowledged the world over,with ISRO increasingly launching overseas satellites.
Today’s launch was an ‘important manifestation’ of India’s bilateral cooperation with foreign countries in the field of space technology,he said. “This mission epitomises the spirit of Indo-French partnership which we have built up over the decades.”
He noted that over the past years,ISRO had successfully accomplished several missions including Cartosat,RISAT I and a number of PSLV launches. “The entire nation is eagerly looking forward for the successful flight of the GSLV with indigenous cryogenic stage,” he said.
“The planned experimental mission of GSLV Mak III is a huge step forward in the development of heavylift space transportation system in the country,” the President said,adding India’s first lunar mission,Chandrayaan I also had made the country proud.
“Our Chandrayaan-I mission made the country proud. I am also confident that the first Indian interplanetary venture,the Mars orbitary mission (scheduled for) this year to be successful and place India in the ranks of a few nations that have attempted such a feat,” he noted.
Recalling former Prime Minister Jawaharlal Nehru’s words,he said the leader had firmly supported science to put a nation in the path of development.
Stressing the need for promotion of innovation,Mukherjee said,”For India to occupy its rightful place in the comity of nations,we have to promote innovation and technological advancement. ISRO should be in the forefront of this. I am sure ISRO will be the nerve centre of innovation and creativity,” he said.
Hailing India’s space programme,Mukherjee said it had gained importance due to stalwarts like Vikram Sarabhai,Satish Dhawan and K Kasturirangan.
Due to the genius of these scientists,”our space programme has over these years become successful and been delivering to our country indigenous capability in design and development of satellites and launch vehicles and space applications,” he said.
“It is heartening to know that in the road towards self-reliance,ISRO has played a very vital role in the enhancement of technoloyg levels and indigenisation of strategic materials.
“Indian national satellite system is today a proud repository of the largest group of communication satellites in the Asia-pacific region.
Noting that technology played a pivotal role in the development of the country,Mukjerjee said Indian space programme has been an application-oriented initiative and therefore “an able partner in our development process.”
“We had used space applications to bring government closer to people particularly those in far-off,remote areas of the country. Space based applications like telemedicine and tele-education have helped the rural population,” he said,adding towns and villages were connected to super-specialty hospitals using space-based applications.
Edusat had brought about a change in the way education was delivered in our schools and colleges including the non-formal eductaional system,he said,adding interactive system has made it possible for education to come closer to students.