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ISRO to make history with the first SSLV-D1 / EOS-2 mission MIGMG News

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On Sunday’s mission, the SSLV will carry Earth observation satellite-02 and the AzaadiSAT passenger satellite. (Photo: ISRO)

Chennai: The Indian Space Research Organization (ISRO) is on the cusp of making history as the space agency is all set to embark on its first Small Satellite Launch Vehicle (SSLV) mission, carrying an Earth observation satellite and a student satellite from the spaceport in Sriharikota some 135 km away. How many here on Sunday?

After carving a niche for successful mission launches with its Polar Satellite Launch Vehicle (PSLV), Geosynchronous Launch Vehicle (GSLV), ISRO will launch the first launch of a Small Satellite Launch Vehicle (SSLV), which will be used to deploy satellites in low Earth orbit. .

Scientists at ISRO have been involved in developing small launch vehicles over the past few weeks to meet the demand for such small satellites, which weigh up to 500 kg and can be injected into 500 km low Earth orbit.

The SSLV has a height of 34 metres, about 10 meters lower than the PSLV and a vehicle diameter of 2 meters compared to the 2.8 meters of the PSLV.
The mass of the SSLV is 120 tons while the weight of the PSLV is 320 tons, which can carry loads of up to 1,800 kg.

On Sunday’s mission, SSLV will carry Earth observation satellite-02 and the joint passenger satellite AzaadiSAT – developed by the student team at Space Kidz India.

According to ISRO sources, the countdown has been reduced compared to other missions which will be 25 hours to five hours and was expected to start Sunday at 4.18 for the scheduled take-off at 9.18 am from the first launch pad at Satish Dhawan Space Center, Sriharikota.

The importance of the SSLV is that it contains a fourth stage that carries a liquid thrust-based velocity trimmer to put satellites into their intended orbit. The rocket consists of solid fuel to launch the first three stages.

The ISRO-designed Earth observation satellite provides advanced infrared remote optical sensing with high spatial resolution. It belongs to the small satellite series of spacecraft.

After traveling for about 13 minutes, the SSLV is expected to put the first EOS-02 camera in its intended orbit, followed by the AzaadiSAT, an eight-kg cube built by female students from public schools across the country to celebrate the 75th anniversary of independence.

ISRO said the SSLV offers low spindle time, flexibility in accommodating multiple satellites, on-demand launch capability, and minimal launch infrastructure requirements.

The AzaadiSAT carries 75 different payloads, each weighing about 50 grams. Guidance was provided to female students from rural areas across the country by ISRO Scholars to build these loads which were incorporated by the student team at ‘Space Kidz India’.

The ground system developed by Space Kidz India will be used to receive data from this satellite.

ISRO began launching sounding rockets in 1965 to explore regions of the upper atmosphere and for space research. The first sounding rocket was launched near Thiruvananthapuram in November 1963.

Later in 1980 the space agency launched the country’s first satellite launch vehicle that could carry payloads of up to 40 kg.

In 1987, ISRO conducted the first development flight of the Enhanced Satellite Launch Vehicle (ASLV) with a payload capacity of 150 kg.

Later, ISRO made its first polar satellite launch vehicle in September 1993, which was unsuccessful. However, in 1994, ISRO tasted success in its first successful launch as it emerged to be a reliable and versatile work force.

ISRO conducted the first flight of a geosynchronous satellite launch vehicle in 2001 and it is the largest launch vehicle developed by India, and is currently in operation. The take-off mass of the GSLV is 414.75 tons.

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