Tag Archives: Indian Space Research Organization

ISRO’s nanosatellites can become a global system for navigation

In 2016, the Indian Space Research Organisation (ISRO) created an independent Indian Regional Navigation Satellite System (IRNSS) for national applications. This system, NavIC, has seven satellites which provide positioning, navigation and timing service over India and its neighbourhood. However, to expand the coverage to entire earth, efforts are needed. Vibha Varshney talks to Vinod Kumar, deputy project director, AOCS (Attitude and Orbit Control System), control dynamics and simulation group of the ISRO on the sidelines of 104th Indian Science Congress on what can be done to make NavIC a global navigation system.

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IRNSS – 1F Salient Features

  • Orbit: Geostationary, at 32.5 deg East longitude
  • Lift – off mass: 1425 kg
  • Dry mass: 598 kg
  • Physical dimensions: 1.58 m X 1.5 m X 1.5 m
  • Power: Two solar panels generating 1660 W, one Lithium – ion battery of 90 Ampere – hour capacity
  • Propulsion: 440 Newton liquid apogee motor, twelve 22 Newton thrusters
  • Control system: Zero momentum system, orientation input from Sun & star sensors and gyroscopes; Reaction wheels, magnetic torquers and 22 Newton thrusters actuators
  • Mission life: 12 years

Click here for information brochure.

PSLV-C30/ASTROSAT MISSION in photos

http://www.isro.gov.in/pslv-c30-astrosat-mission/gallery

PSLV-C20 in photos

PSLV-C20 to launch SARAL & six commercial payloads

PSLV-C20 will inject SARAL and 6 commercial payloads into an orbit of 785 km altitude at an inclination of 98.536o.

The lift-off of PSLV-C20  is scheduled on February 16, 2013 at 17:56 hrs (IST).

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Best of Luck to ISRO