Countdown for India's first launch of 2020 with its radar imaging satellite onboard begins on Friday

The countdown for the November 7 launch of the Indian rocket, Polar Satellite Launch Vehicle-C49 (PSLV-C49), carrying the country's radar imaging satellite and nine other foreign satellites will begin on Friday.

"The 26-hour countdown for the rocket launch will start tomorrow (Friday) from the first launch pad. The rocket with 10 satellites is expected to lift off at 3 p.m. on November 7 from the Sriharikota rocket port," a senior official told IANS.

The proposed launch will be the first space mission for the Indian Space Research Organisation (ISRO) in 2020.

The nine foreign satellites are from: Lithuania (1-technology demonstrator), Luxembourg (4 maritime application satellites by Kleos Space) and the US (4-Lemur multi mission remote sensing satellites).

However, the primary passenger of the 44.5 metre tall PSLV-C49 will be the Indian radar imaging satellite EOS-01 (formerly RISAT-2BR2) with synthetic aperture radar (SAR) that can shoot pictures in all weather conditions.

The satellite can take pictures day and night and will be useful for surveillance as well as civilian activities.

This time around, the ISRO will be using the PSLV rocket's DL variant that will have two strap-on booster motors.

This rocket variant was used the first time to put into orbit Microsat R satellite on January 24, 2019.

The PSLV is a four stage/engine rocket powered by solid and liquid fuels alternatively with six booster motors strapped on to the first stage to give higher thrust during the initial flight moments.

S. Somanath, Director, Vikram Sarabhai Space Centre (VSSC), had told IANS earlier that three rockets were getting ready for the launch at the rocket port in Sriharikota -- the Polar Satellite Launch Vehicle C49 (PSLV C49), PSLV C50 and Geosynchronous Satellite Launch Vehicle (GSLV).

After PSLV-C49, the next one to fly will be PSLV-C50 with the GSAT-12R satellite. It will fly from the second launch pad, he added.

"We are targeting PSLV-C50 sometime in December. It needs about 30 days to get ready for another launch after one launch," Somanath had said.

The other Indian satellites that are ready for launch are GISAT, Microsat-2A and GSAT-12R.

The launch of the GISAT-1 satellite slated for March 5 this year was postponed due to technical reasons a day before the launch.

"The GISAT-1 satellite will be carried by a GSLV rocket. The GSLV rocket was dismantled after the launch was called off. The rocket is being refurbished. The rocket's cryogenic engine has been brought down and it is being readied again," Somanath had said.

According to him, the GSLV carrying GISAT-1 is expected to fly after PSLV C50.

Somanath also said that the ISRO has developed a Virtual Launch Control Centre to test the rocket systems at the rocket port in Sriharikota remotely from the Thiruvananthapuram-based VSSC.

"With Covid-19 pandemic prevailing, the Indian space agency in order to reduce the number of people travelling to Sriharikota, has developed a Virtual Launch Control Centre at VSSC. As a result, the testing of various rocket systems is being done at VSSC," Somnath had told IANS.

The physical launch control centre is located in the building, housing the Mission Control Centre in Sriharikota and the systems there have been replicated at the VSSC in the form of a virtual launch control centre.

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