PSLV-C44 Successfully Launches Microsat-R and Kalamsat-V2 (Download PDF)


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India’s Polar Satellite Launch Vehicle (PSLV-C44) successfully injected Microsat-R and Kalamsat-V2 satellites into their designated orbits. The PSLV-C44 lifted off at 23: 37 Hrs (IST) on January 24,2019 from the First Launch Pad at Satish Dhawan Space Centre SHAR, Sriharikota in its 46th flight.

Image of The PSLV-C44

Image of The PSLV-C44

Image of The PSLV-C44

About the Launch

  • About 13 minutes 26 seconds after lift-off, Microsat-R was successfully injected into intended orbit of 274 km.

  • After injection, two solar arrays of the satellite were deployed automatically and ISRO Telemetry Tracking & Command Network (ISTRAC) at Bengaluru assumed control of the satellite.

  • Subsequently, the fourth stage (PS4) of the vehicle was moved to a higher circular orbit of 453 km after two restarts of the stage, to establish an orbital platform for carrying out experiments. Kalamsat-V2, a student payload, first to use PS4 as an orbital platform, was taken to its designated orbit about 1 hour and 40 minutes after lift-off.

  • This flight marked the first mission of PSLV-DL, a new variant of PSLV with two strap-on motors.

  • In the previous PSLV launch on November 29, PSLV-C43 had successfully launched India’s HysIS as well as 30 customer satellites from abroad.

Significance of PSLV-C44

The PSLV-C44 mission was unique as it was for the first time ISRO used the last stage of the rocket as a platform to perform experiments in space.

About ISRO

  • The Indian Space Research Organisation is the space agency of the Government of India headquartered in the city of Bengaluru. Its vision is to “harness space technology for national development while pursuing space science research and planetary exploration. ”

  • Headquarters: Bengaluru

  • Founder: Vikram Sarabhai

  • Founded: 15 August 1969

  • Budget: 10,783.42 crores INR (2018–19 est. , US $1.5 billion)

  • Director: Kailasavadivoo Sivan

  • Subsidiary: Vikram Sarabhai Space Centre


The Polar Satellite Launch Vehicle (PSLV) is an expendable medium-lift launch vehicle designed and operated by the Indian Space Research Organisation (ISRO). PSLV can also launch small size satellites into Geostationary Transfer Orbit (GTO).

- Published/Last Modified on: March 25, 2019


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