Thursday 22 May 2014

India has taken a step ahead in developing its Navigation System!!

PSLV-C24
Blast Off , PSLV-C24, Payload - IRNSS-1B
Indian scientists and researchers at ISRO are working hard in developing India's own Navigation System. They are doing so by setting up a set/constellation of SEVEN satellites, collectively known as Indian Regional Navigation Satellite System (IRNSS). The satellites are named as; IRNSS-1A , IRNSS-1B/ 1C/ 1D/ 1E/ 1F/ 1G.



The 1st satellite (IRNSS-1A) was launched on 1st of July, 2013, aboard the PSLV-C22 rocket.
Recently the 2nd satellite (IRNSS-1B) was launched on 4th of April, 2014, aboard the PSLV-C24 rocket from Satish Dhawan Space CentreSriharikota.
IRNSS-1B
The IRNSS constellation will consist of 3 satellites in Geostationary Orbit and the other 4 in Geosynchronous Orbit. The system is designed to be compatible with the US Global Positioning System and Europe's upcoming Galileo constellation using navigation signals in S-Band and at L5. The deployed constellation will only cover India and surrounding regions. 
In 2014 itself, TWO more navigational satellites - (IRNSS-1C and IRNSS-1D) would be launched. THREE more navigational satellites - (IRNSS-1E, IRNSS-1F and IRNSS-1G) will be launched early 2015 and by middle of 2015.


Saturday 17 May 2014

Mars Orbiter Mission -India (2013 Recap)

The year 2013 was quite an eventful year. Many important projects, space missions, satellites were launched and initiated and also observable sky events took place.
One of the most important event that took place in 2013 was the Mars Orbiter Mission of India.
Small basic information and details about the mission :
India, on 5th November 2013, launched its mars orbiter, casually called “MANGALYAN” via PSLV- C25 rocket from the First Launch Pad at Satish Dhawan Space Centre, Sriharikota, Andhra Pradesh.

It is India's first interplanetary mission and, if successful, ISRO would become the fourth space agency to reach Mars, after the Soviet space program, NASA, and European Space Agency.
It is expected to enter orbit around Mars on 24th September 2014.

Travelling at a speed of 1.55 km per second, Mangalyan crossed half way to Mars on 11 April 2014.

One of the main objectives of the first Indian mission to Mars is to develop the technologies required for design, planning, management and operations of an interplanetary mission. 
Following are the major objectives of the mission:
      A.     Technological Objectives:
     ·    Design and realization of a Mars orbiter with a capability to survive and perform Earth bound maneuvers, cruise phase of 300 days, Mars orbit insertion / capture, and on-orbit phase around Mars.
·         Deep space communication, navigation, mission planning and management.
·         Incorporate autonomous features to handle contingency situations.

B.      Scientific Objectives:
·         Exploration of Mars surface features, morphology, mineralogy and Martian atmosphere by indigenous scientific instruments.