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ISRO's first mission in 2019 to put military satellite Microsat-R and student payload Kalamsat in space

The satellites will be carried onboard Polar Satellite Launch Vehicle (PSLV) C-44 from the spaceport of Sriharikota on Thursday night.

ISRO's first mission in 2019 to put military satellite Microsat-R and student payload Kalamsat in space
Image Courtesy: ISRO

Chennai: The first mission of the Indian Space Research Organisation (ISRO) in 2019 will put Defence Research and Development Organisation (DRDO's) Microsat-R satellite and the first student-made payload Kalamsat into the outerspace on Thursday. 

The satellites will be carried onboard Polar Satellite Launch Vehicle (PSLV) C-44 from the spaceport of Sriharikota at 11:37 pm IST. This will be the 46th flight of ISRO's workhorse PSLV. The 16-hour countdown began Wednesday, informed ISRO in a tweet. 

"The countdown for the launch of PSLV-C44 mission started today at 19:37 hrs (IST) from the Satish Dhawan Space Centre, Sriharikota. The launch is scheduled at 23:37 Hrs IST on 24th January 2019," a mission update by the Indian Space Research Organisation (ISRO) said.

PSLV-C44 is the first mission of PSLV-DL, a new variant of the 44.4 metre tall rocket equipped with two strap-on configuration, ISRO said.

"In this mission, the fourth stage (PS4) of PSLV-C44 will be moved to higher circular orbit so as to establish an orbital platform for carrying out experiments," the ISRO said. 

According to the mission launch brochure, Kalamsat, the first to use PS4 as orbital platform, is a payload contributed by students and Microsat-R is an imaging satellite. About 14 minutes into the flight, the polar rocket will eject Microsat R at an altitude of about 277 km. This would start functioning at an altitude of 450km in about the 103th minute after lift-off.

The Kalamsat would be the first to use the rocket`s fourth stage as an orbital platform. The fourth stage would be moved to higher circular orbit so as to establish an orbital platform for carrying out experiments, ISRO had said.

With agency inputs