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The 26-hour countdown for the launch of earth imaging and mapping satellite <keyword id="7494752" type="UNKNOWN" weightage="20" keywordseo="Cartosat-3">CARTOSAT-3</keyword> along with 13 other nano-satellites from the US commenced, <keyword id="116095" type="ORGANIZATION" weightage="20" keywordseo="Indian-Space-Research-Organisation">Indian Space Research Organisation</keyword> said on Tuesday. The space agency has planned for the launch of CARTOSAT-3 satellite, ninth in the series, from the second launch pad at spaceport of Sriharikota, about 120kms from here on November 27 at 09.28 am. "26 hours countdown for the launch of PSLV-C47 mission commenced today at 0728hrs from SDSC SHAR, Sriharikota. Launch is scheduled at 0928 hrs IST on November 27, 2019," ISRO said in its update on Tuesday. PSLV-C47 on its 49th mission would carry CARTOSAT-3 along with 13 commercial nano satellites from the United States. CARTOSAT-3 is a third generation agile advanced satellite having high resolution imaging capability. With an overall mass of 1,625kgs, CARTOSAT-3 would address the increased user's demands for the large scale urban planning, rural resource and infrastructure development, coastal land use and land cover. PSLV-C47 is the 21st flight of PSLV in the 'XL' configuration (with six solid strap-on motors), ISRO said. The 13 commercial nano satellites from the United States are being carried as part of the commercial arrangement with NewSpace India Ltd (NSIL), Department of Space. Among the 13 nano-satellites are FLOCK-4P, 12 in numbers, with mission objective of earth observation, and one satellite named MESHBED, whose mission objective is communication test bed. ISRO said Wednesday's launch would be the 74th launch vehicle mission from <keyword id="6356967" type="COMPANY" weightage="20" keywordseo="satish-dhawan-space-centre">Satish Dhawan Space Centre</keyword>, Sriharikota. The mission life of CARTOSAT-3 would be for five years. The launch of CARTOSAT-3 and 13 other commercial nano satellites follows ISRO's moon mission <keyword id="53289" type="PERSON" weightage="20" keywordseo="Chandrayaan-2">Chandrayaan-2</keyword> on July 22, which failed to manage a soft landing on the moon, and would have been the country's first had it been successful. While the Orbiter continues to revolve around the moon, the lander 'Vikram' and rover 'Pragyan' were rendered non- functional after a hard-landing on the lunar surface on September 7.

ISRO starts its 26-hour countdown for launch of Cartosat-3

<ul><li>The Indian Space Research Organisation (ISRO) just launched 14 satellites into space in 27 minutes.</li><li>This includes the Cartosat-3 satellite, which will add to India’s earth observation capabilities.</li><li>The massive 44.4-meter tall rocket with a lift-off mass of 321 tonnes, took off from the Second Launch Pad at the Satish Dhawan Space Center in Sriharikota at 9:28 am.</li></ul>India just launched its new earth observation satellite, <a href="https://www.businessinsider.in/science/space/news/heres-whats-special-about-indias-cartosat-3-launch-tomorrow/articleshow/72235988.cms">Cartosat-3</a>, and 13 US satellites into Earth’s orbit in just under 27 minutes. “Cartosat-3 is the Highest resolution civilian Indian spacecraft. It is also the most complex and advanced earth observation satellite that ISRO has built so far,” said ISRO chairman K Sivan after the launch. The Indian Space Research Organisation (<a href="https://www.businessinsider.in/science/space/news/heres-whats-special-about-indias-cartosat-3-launch-tomorrow/articleshow/72235988.cms">ISRO</a>) assembled the PSLV-C47 rocket in 5 segments, each weighing 45 to 50 tonnes, before catapulting it into space from the Satish Dhawan Space Center in Sriharikota. The massive 44.4-meter tall rocket with a lift-off mass of 321 tonnes, heaved took from the Second Launch Pad at 9:28 am. At lift-off time, the weather was a little cloudy, wind speeds benign indicating good conditions for the launch, according to the ISRO announcer. The launch The first stage of the launch was initiated as the first of the four engines, PS 1, was ignited. At 37 kilometers of altitude, the four groundless rockets burnt out in 92 seconds and separated from the main vehicle. After 113.2 seconds, the second stage of the launch was initiated at 115 kilometers. At 161.1 seconds the launch vehicle entered closed-loop guidance, which means that the vehicle was now deciding its future functions by comparing its current location to the target conditions. At 267 seconds, the third stage was initiated and lasted 229 seconds. Before moving onto the fourth stage, the launch vehicle was given a coasting period of 115 seconds to achieve optimal ignition conditions. At 17 minutes, the fourth stage was shut off and the mission director announced optimal orbital conditions were met. A few seconds later, ISRO separated the Cartosat-3 satellite separated from the launch vehicle. Following which the MESHBED was launched into orbit. All of the satellites needed to be placed in similar but different orbits. So a gap of around 3 minutes was given to ensure that they don’t enter the same orbit at the Cartosat-3 or fourth stage of the launch vehicle. More about the payloads The third generation of Cartosat satellites, the Cartosat-3, is the ninth overall in the Carosat series. It weighs 1,625 kilograms and can click detailed images of up to 0.25 meters in resolution. "The realisation of Carosat-3 has witnessed a totally new development in the advanced technological area across the board, in all the domains -- right from the payload, the communications, the optical system, the sensors, and so on," said P. Kunhikrishnan, Direction of URSC after the successful launch. He added that the satellite is capable of very high data throughput. It is able to relay information back to Earth at speeds of 2.88 gigabits per second, a considerable improvement over its predecessor which only communicated at 6.40 megabits per second. The satellite also has terabits of solid state memory on-board. Cartosat-3 serves a dual purpose. It can monitor land usage for urban planning, rural resources, and the weather — but it can also help surveil India’s borders. In the past, area of interest (AOI) images from the Cartosat-2C satellite were used to track terrorist threats along the line of control (LoC). Twelve of the US satellites are earth observation FLOCK-4P nanosatellites and one is a MESHBED to test communications. These commercial satellites are being launched under an arrangement with New Space India Ltd (NSIL), the commercial arm of ISRO. See also: <a href="https://www.businessinsider.in/india-space-station-plan-by-isro-plans-k-sivan/articleshow/69775780.cms" style="">India wants to set up its own space station to carry out experiments in microgravity</a> <a href="https://www.businessinsider.in/science/space/news/isro-plans-deep-sea-exploration-with-manned-submersible-by-2022/articleshow/71887408.cms" style="">After reaching the moon, ISRO plans to dive 6,000 meters deep into the sea by 2022</a> <a href="https://www.businessinsider.in/isros-chandrayaan-2-gets-international-support-from-nasa-and-uae-space-agency/articleshow/71031546.cms" style="">International support pours in for ISRO after losing contact with lunar lander</a>

ISRO launches Cartosat-3 and 13 US satellites within 27 minutes

Indian Space Research Organisation (<keyword id="6358064" type="ORGANIZATION" weightage="100" keywordseo="ISRO">ISRO</keyword>) has said that it is looking to increase the number of satellite launches to 12-18 per year; it also underlined the need for streamlining its robust <keyword id="6395832" type="COMPANY" weightage="100" keywordseo="PSLV">PSLV</keyword> series, which would be done by adding on a new vehicle assembly building. 
 
"We need to streamline the PSLV series and we are trying to get into more number of launches per year by increasing the capacity within in the country," said ISRO Chairman A S Kiran Kumar. 
 
"We are working towards some mechanism where industry-ISRO partnership will enable us to increase the number of launches per year to almost 12-18 per year in the coming years," he said. 
 Kumar was interacting with reporters after India successfully launched 20 satellites, including the recent earth observation <keyword id="3430276" type="UNKNOWN" weightage="100" keywordseo="Cartosat-2-series">Cartosat-2 series</keyword>, on board <keyword id="3432192" type="UNKNOWN" weightage="100" keywordseo="pslv-c34">PSLV-C34</keyword>. 
 
Talking about developing a three-stage PSLV, he added, "Not exactly... One of the things we will be constantly addressing is how to reduce the cost of accessing space and these studies are addressing on what methods to reduce cost of launching satellite and that will be our continuous endeavour." 
 
Calling PSLV a versatile launch vehicle able to do different jobs and put satellites in different orbits, he also said that ISRO is under the process of streamlining this operation with improved capabilities. 
 
He said, "Our effort is to continuously assess the situation and take corrective action at an appropriate time to improve our launch frequency." 
 
<a href="http://indilens.com/wp-content/uploads/2016/06/PSLV-rocket-launch-photo-credit-ISRO.jpg">Image source</a>

ISRO aims to launch 12-18 satellites per year

<ul><li>The Indian Space Research Organisation (ISRO) is launching its RISAT-2BR1 satellite tomorrow. </li><li>The satellite will be equipped with a X-Band Synthetic Aperture Radar (SAR). </li><li>The radar’s primary applications are “defence intelligence” and “homeland defence”. </li></ul>India will soon be able to protect its border better after its new ‘<a href="https://www.businessinsider.in/science/space/news/isro-plans-to-launch-its-latest-spy-satellite-on-december-11/articleshow/72433071.cms">spy satellite</a>’ — the RISAT-2BR1 — will be placed in orbit tomorrow. The all-weather radar imaging satellite is capable of taking sharp images from outer space even when it’s cloudy on Earth. The Indian Space Research Organisation (<a href="https://www.isro.gov.in/pslv-c48-risat-2br1/launch-kit-glance">ISRO</a>) claims that the satellite’s primary applications are agriculture, forestry and disaster management support. To be fair, that was the original intent of the RISAT series. But, after the 2008 Mumbai terror attacks, the RISAT 2 launch was fast-tracked over the RISAT 1 satellite for only <a href="https://timesofindia.indiatimes.com/india/India-to-launch-spy-satellite-on-April-20/articleshow/4374544.cms?referral=PM">one reason</a> — its X-Band Synthetic Aperture Radar (SAR). According to the manufacturer of the radar, Israel Aerospace Industries (<a href="https://www.youtube.com/watch?time_continue=8&amp;v=rHMfViorO1c&amp;feature=emb_logo">IAI</a>), the sensor’s main application is “defence intelligence” and “homeland defence”. The <a href="https://space.skyrocket.de/doc_sdat/risat-2b.htm">same radar</a> will be used by RISAT-2BR1, except this time, India’s built it at home. Keeping an eye on national borders The X-Band SAR’s capabilities of the RISAT-2BR1 can click images regardless of the weather — or the time of the day — cutting through clouds and darkness. Once it’s successfully placed in orbit, the satellite can send back high-resolution images focused on a specific area, or covering hundreds of kilometres. Combining electronic scans with mechanical manoeuvring, the satellite can be used to provide wide-area coverage without losing details. It has been designed to monitor India’s borders and flag any infiltration or terrorist operations for the next five years. ISRO plans to launch the satellite from the Satish Dhawan Space Center in Sriharikota tomorrow. The RISAT-2BR1 will be launched along with nine international satellites marking the Polar Satellite Launch Vehicle’s (PSLV) 50th launch. The satellite weighs a little more than 600 kilograms and will be placed into orbit at a distance of 576 kilometers. See also: <a href="https://www.businessinsider.in/science/space/news/isro-has-its-hands-full-with-13-launches-and-the-launch-of-its-new-rocket-before-march/articleshow/72253562.cms">ISRO has its 'hands full' with 13 launches and the test of its new rocket before March</a> <a href="https://www.businessinsider.in/science/space/news/isro-launches-cartosat-3-and-13-us-satellites-in-27-minutes/articleshow/72251725.cms">ISRO launches Cartosat-3 and 13 US satellites within 27 minutes</a> <a href="https://www.businessinsider.in/india-space-station-plan-by-isro-plans-k-sivan/articleshow/69775780.cms">India wants to set up its own space station to carry out experiments in microgravity</a>

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ISRO starts its 26-hour countdown for launch of Cartosat-3

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ISRO launches Cartosat-3 and 13 US satellites within 27 minutes

Prabhjote Gill

ISRO aims to launch 12-18 satellites per year

BI India Bureau

ISRO's all-weather ‘spy satellite’ will help India watch its borders closely

Prabhjote Gill

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