Tag Archives: The Indian Space Research Organisation (ISRO)

NATIONAL: SPACE FRONTIERS : India’s first National Space Day: August 23rd, 2024 – PM Modi and ISRO chief reflect on India’s space milestones

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Prime Minister Narendra Modi on Friday extended his greetings to the nation on the occasion of the first National Space Day. In a message shared on X, the Prime Minister expressed immense pride in India’s remarkable achievements in the space sector.

“Greetings to everyone on the first National Space Day. We recall with great pride our nation’s achievements in the space sector. It is also a day to laud the contributions of our space scientists,” Prime Minister Modi said.

Highlighting the government’s commitment to advancing the space sector, the Prime Minister said, “Our government has taken a series of futuristic decisions relating to this sector, and we will do even more in the times to come.”

Indian Space Research Organisation (ISRO) Chairman S. Somanath praised Prime Minister Narendra Modi for his role in strengthening India’s space ecosystem.

Speaking to ANI, Somanath highlighted recent policy reforms and initiatives under the leadership of PM Modi toward advancing the space sector.

The ISRO chief said that PM Modi’s leadership has been crucial in several key policy interventions in India’s space sector. “As Prime Minister, Modi has not only created but also implemented policies through the governmental system,” he said.

Underscoring three major initiatives, the ISRO chief said, “After the space sector reforms, we worked on a space policy. This new policy clearly defines the roles and responsibilities of the Department of Space, ISRO, and NewSpace India Limited (NSIL), paving the way for greater private sector involvement in space activities.”

“A foreign direct investment policy has also been announced, allowing private and foreign investments in the space sector with certain controls and regulations that were not possible earlier. The third initiative, undertaken by the Department of Science and Technology (DST), involves the geospatial policy. This policy makes all geospatial and satellite data freely available up to a five-meter resolution, creating secondary effects,” he added.

Reflecting on recent milestones, Somanath recalled the Prime Minister’s live participation in the Chandrayaan-3 moon landing event. “I remember our Prime Minister Modi watching the live transmission and taking a moment from the BRICS summit to join us,” he said.

Somanath also recounted Modi’s visit to the Vikram Sarabhai Space Centre, where he showed keen interest in the Gaganyaan mission and other space projects.

“We were asked to prepare a long-term roadmap, a vision for space 2047 in the Amritkaal. The Prime Minister was delighted with our presentation on future space missions, including the Gaganyaan program and plans for a space station,” Somanath said.

M. Sankaran, Director of the U R Rao Satellite Centre (URSC), also recalled the Prime Minister’s visit to the space center after the success of Chandrayaan-3.

“When he was talking, he was a bit emotional, thanking all of us for our efforts and appreciating everyone’s contributions. He was very clear that we need to involve other government agencies in space activities, which eventually led to the space sector reforms,” Sankaran said while speaking to ANI.

Following the successful landing of Chandrayaan-3, PM Modi declared August 23 as National Space Day and named the landing site ‘Shiva Shakti Point,’ while designating the Chandrayaan-2 landing site as ‘Tiranga Point.’

This historic achievement made India the fourth country to land a rover on the Moon and the first to do so in the Moon’s southern polar region. The celebration aims to inspire future generations and foster interest in space exploration across the nation.

The theme for National Space Day 2024 is “Touching Lives while Touching the Moon: India’s Space Saga,” reflecting the impact of space achievements on everyday life and the nation’s ambitious space endeavors.

source/content: ddnews.gov.in (headline edited)

GLOBAL: SATELLITES & SPACE: The Indian Space Research Organisation (ISRO) Successfully Launches 36 Satellites for UK-based OneWeb

This batch of 36 satellites by the UK-based OneWeb will be its 18th launch to date, its third this year and the second with ISRO.

The Indian Space Research Organisation (ISRO) on Sunday successfully launched the second batch of 36 satellites for the UK-based OneWeb.

“We have lift off! Thanks to our colleagues at @isro and @NSIL_India for a successful launch. If you don’t already, make sure to follow us for more updates throughout the rest of the mission,” OneWeb tweeted at 9.04am on Sunday.

This batch of satellites by the UK-based company will be its 18th launch to date, its third this year and the second with ISRO. This will also complete the company’s first-generation LEO (low earth orbit) constellation, enabling the company to initiate global coverage in 2023.

HT on March 6 reported about ISRO’s plan to launch the second batch of OneWeb’s satellites on March 26.

On February 16, these 36 satellites reached India from the US for their launch. On March 15, the satellites were also encapsulated.

The communications satellites were launched by ISRO’s Launch Vehicle Mark-III (LVM3). In October last year, the Indian space agency successfully launched the first set of 36 satellites by OneWeb from the Satish Dhawan Space Centre in Sriharikota, marking the rocket’s entry into the global commercial launch service market.

A week after that, ISRO successfully conducted the flight acceptance hot test of the CE-20 engine in the high-altitude test facility of its propulsion complex at Tamil Nadu’s Mahendragiri for 25 seconds for the second batch of satellites that are expected to be placed on low earth orbit.

After its first launch, OneWeb had said that its partnership with NSIL and ISRO demonstrated its commitment to provide connectivity across the length and breadth of India by 2023.

ISRO’s LVM3 rocket is capable of launching four-tonne class of satellites to geosynchronous transfer orbit. It is a three-stage vehicle with two solid motor strapons, a liquid propellant core stage and a cryogenic stage. The OneWeb satellites will be placed in orbit at an altitude of 1,200km above the earth’s surface.

“This mission marks OneWeb’s second satellite deployment from India, highlighting the collaboration between the UK and Indian space industries. Across India, OneWeb will bring secured solutions not only to enterprises but also to towns, villages, municipalities and schools, including the hardest-to-reach areas across the country,” the company said last week.

source/content: hindustantimes.com (headline edited)

NATIONAL: SPACE / SATELLITES &TECHNOLOGY: ISRO Successfully Launches SSLV’s 2nd Developmental Flight with 3 Satellites from Sriharikota

The new rocket launch from Sriharikota has put three satellites into a 450 km-circular orbit during its 15-minute flight .

The Indian Space Research Organisation (ISRO) successfully launched its second developmental flight of a Small Satellite Launch Vehicle — SSLV-D2 — and placed three satellites in its precise orbit on February 10 morning.

The three satellites are ISRO’s Earth Observation Satellite – EOS 07, U.S.-based firm Antaris’ Janus-1 and Chennai-based space start-up SpaceKidz’s AzaadiSAT-2. 

SSLV-D2 lifted off from the first launch pad at Satish Dhawan Space Centre-SHAR, Sriharikota at 9:18 a.m. This is the first satellite launch in 2023.

“The SSLV-D2-EOS-07 mission is successfully accomplished,” ISRO mentioned on its Twitter handle, a few minutes after the vehicle took off. ISRO in a statement said: “The vehicle injected satellites into close to 450 km circular orbit at an inclination of 37.2 degrees. The tracking network took control of EOS-07 satellite. Deployment of the solar panels and the generation of power is confirmed.”

ISRO Chairman S. Somanath said, “In its second attempt SSLV-D2 has placed the EOS-07 satellite in its intended orbit very accurately. Two more satellites -Janus-1 and AzaadiSAT-2 were also placed in the required orbit.”

The Chairman further said: “SSLV had its maiden flight SSLV-D1 and we had a narrow miss of placing the satellite in the orbit because of a shortfall in velocity. I’m happy to report that we have analysed the problems faced in SSLV D1 – identified the corrective actions and implemented it. We went through lot of studies to ensure that the vehicle will become success this time,” he added. 

“And I’m happy this has been executed in reality. The orbit achieved by the vehicle today is exceedingly good,” Mr. Somanath said.

Noting that this journey began in 2018, S.S. Vinod, Mission Director of SSLV, said, “We had the maiden flight in August 2022 and we could not place the satellite in the intended orbit. Post that detailed analysis with a number of teams was carried out and we were able to pinpoint the problem in the system . We overcame that.”

He added, “And in a period of five months we have come back. And we will be coming back soon with the next launch of SSLV.”

It may be recalled that the first developmental flight of SSLV lifted off from Satish Dhawan Space Centre on August 7, 2022, and ended up to be a partial failure, as the rocket failed to inject its satellite payload in their intended orbits.

According to ISRO, the spacecraft was injected into a highly elliptical unstable orbit due to a shortfall in velocity, leading to their decay and deorbiting immediately, in spite of the normal performance of all solid propulsion stages. 

Subsequent detailed analysis of the flight events and observations ranging from the countdown, lift-off, propulsion performance, stage separations and satellite injection revealed that there was a vibration disturbance for a short duration on the Equipment Bay (EB) deck during the second stage (SS2) separation. This affected the Inertial Navigation System (INS), resulting in declaring the sensors faulty by the logic in Fault Detection and Isolation (FDI) software.

About SSLV-D2

EOS-07 is a 156.3 kg satellite designed, developed and realized by ISRO. The mission objective of EOS-07 is to design and develop payload instruments compatible with microsatellite bus and new technologies, which are required for future operational satellites. Moreover, it will also design and develop a microsatellite accommodating new technology payloads in a quick turn-around time. 

New experiments include mm-Wave Humidity Sounder and Spectrum Monitoring Payload. Weighing around 10.2 kg, Janus-1 is a technology demonstrator, smart satellite mission based on the Antaris software platform. An 8.7 kg satellite AzaadiSAT-2 is a combined effort of about 750 girl students across India guided by Space Kidz India, Chennai.

According to details provided by ISRO, SSLV caters to the launch of up to 500 kg satellites to Low Earth Orbits on a “launch-on-demand” basis. It provides low-cost access to space, offers low turn-around time and flexibility in accommodating multiple satellites, and demands minimal launch infrastructure. It is configured with three solid propulsion stages and a velocity terminal module. It is a 34 m tall, 2 m diameter vehicle having a lift-off mass of 120 tonnes.

source/content: thehindu.com (headline edited)