Maiden SSLV Spaceflight Mission: When, Where to Watch ISRO’s Smallest Rocket Launch

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The Indian Space Research Organization (ISRP) is set to make history by embarking on the first Small Satellite Launch Vehicle (SSLV) mission.

Having found a niche in successful mission launches through its trusted workhorse Polar Satellite Launch Vehicles (PSLV), Geosynchronous Launch Vehicle (GSLV), ISRO would make its first launch of a small satellite launch vehicle (SSLV), which would be used to launch satellites. in low Earth orbit.

When to watch the SSLV launch?

The spaceflight mission will carry an Earth observation satellite and a student satellite from a spaceport in Sriharikota in Andhra Pradesh at 9:18 a.m. on Aug. 7.

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Where can you watch ISRO’s SSLV launch?

You can watch the SSLV launch live on ISRO’s official YouTube channel. The launch event can be seen here:

More about the launch of SSLV

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

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The SSLV is 34 m high, about 10 m less than the PSLV and has a vehicle diameter of two meters compared to 2.8 meters PSLV.

SSLV has a take-off mass of 120 tons, while PSLV has 320 tons, which can carry a payload of up to 1,800 kg.

On Sunday’s mission, SSLV would carry Earth Observation Satellite – 02 and a fellow passenger satellite AzaadiSAT – developed by the student team at ‘Space Kidz India’.

According to ISRO sources, the countdown has been reduced to five hours compared to other missions, which would last 25 hours and is expected to start at 4.18 am on Sunday before the launch scheduled at 9.18 am from the first launch pad at Satish Dhawan Space Center, Sriharikota. .

The importance of SSLV is that it has the fourth stage which carries liquid propulsion based Velocity Trimming Module to place the satellites in the target orbit. The rocket contains solid fuel to fire the first three stages.

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The ISRO-designed Earth observation satellite offers advanced optical remote sensing operating in an infrared band with high spatial resolution. It belongs to the microsatellite series of spacecraft.

After about 13 minutes of travel, SSLV is expected to place the EOS-02 in its intended orbit first, followed by AzaadiSAT, an eight kg Cubesat designed by the girl students of government schools across the country to mark the 75th anniversary of independence. to mark.

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

The AzaadiSAT has 75 different loads, each weighing approximately 50 grams. Girl students from rural regions across the country were guided by ISRO scientists to build these payloads which will be integrated by the student team of ‘Space Kidz India’.

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The ground system developed by Space Kidz India would be used to receive the data from this satellite. ISRO began launching sounding rockets in 1965 to survey the upper atmospheric regions and for space exploration. The first sounding rocket was launched near Thiruvananthapuram in November 1963. The space agency later launched the country’s first Satellite Launch Vehicle -3 in 1980, which can carry a payload of up to 40 kg. In 1987, ISRO conducted the first development flight of Augmented Satellite Launch Vehicle (ASLV) with a payload of up to 150 kg. Later, ISRO made its first Polar Satellite Launch Vehicle in September 1993, which was unsuccessful.

However, in 1994 ISRO tasted success on its first successful launch when it proved to be a reliable and versatile trusted workhorse. ISRO conducted the maiden flight of the Geosynchronous Satellite Launch Vehicle in 2001, the largest Indian-developed launch vehicle currently in operation. The GSLV has a take-off mass of 414.75 tons.

(with PTI inputs)

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