ISRO launches India's best-ever high-resolution earth imaging satellite


Sriharikota (Andhra Pradesh), Nov 29 (IANS): India on Thursday put into orbit its own Hyper Spectral Imaging Satellite (HysIS) -- an earth observation satellite -- in text book style.

The Indian Polar Satellite Launch Vehicle Core Alone (PSLV CA) rocket variant lifted off with 31 satellites -- the HysIS and 30 foreign satellites.

The notable aspect of the rocket mission is the placing of the satellites in two different orbits -- one at a higher altitude and the others in a lower altitude.

While the HysIS has been placed in its intended orbit, the remaining 30 foreign satellites will be later ejected at a lower orbit.

The primary goal of HysIS is to study the earth's surface in visible, near infrared and shortwave infrared regions of the electromagnetic spectrum and also for strategic purposes.

At 9.58 a.m., the four staged/engine PSLV-CA rocket, standing 44.4 metres tall and weighing about 230 tonnes, blasted off from the first launch pad.

With the fierce orange flame at its tail, the rocket slowly gained speed and went up enthralling people at the rocketport.

A more thrilling aspect came in when the rocket's fourth stage/engine was cut/switched off in just over 16 minutes after the lift off.

A minute later, the Indian satellite HysIS with a mission life of five years was placed in a 636 km polar sun synchronous orbit.

The rocket will then be brought to lower altitude of 503 km to put into orbit the balance 30 foreign satellites.

Post HysIS ejection, the rocket's fourth stage will be restarted at 59.65 minutes after the lift off.

The co-passengers of HysIS include one micro and 29 nano satellites from eight different countries.

The rocket will be switched off and on twice before the final foreign passenger is put into orbit about 112.79 minutes after the rocket's lift off.

All the foreign satellites were placed in a 504 km orbit.

While 23 satellites are from the US, the rest are from Australia, Canada, Columbia, Finland, Malaysia, the Netherlands and Spain.

These satellites have been commercially contracted for launch through Antrix Corporation Limited, the commercial arm of ISRO.

The Indian Space and Research Organisation had earlier carried out a satellite mission spread over two hours in January.

  

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Comment on this article

  • Sanjeev Kamath, Udupi

    Thu, Nov 29 2018

    The Hyperspectral Imaging Satellite (HysIS), which has a mission life of five years, has also on board, 30 co-passenger satellites—one micro and 29 nano satellites from eight different countries.

    NEW DELHI: The Indian Space Research Organisation (Isro) on Thursday launched the PSLV-C43 rocket from Sriharikota (Andhra Pradesh) which carries satellite Hyperspectral Imaging Satellite (HysIS), which has a mission life of five years. Also on board, along with HysIS, are 30 co-passenger satellites—one micro and 29 nanosatellites from eight different countries.
    The satellite was successfully placed in orbit 17 minutes and 27 seconds after lift-off, followed by the 30 other satellites.

    The satellite will be used for a range of applications like agriculture, forestry, assessment of coastal zones, inland water studies, soil surveys, environmental studies, detection of pollution from industries and will also be used by the military for surveillance.

    So, DKS & Co. will have to be extremely careful now on because we will have before-and-after status of irrigation, forest land, etc.

    But the main question is why none of the wise men thought of this before 2014? Or is it Jossey saying a fake left over Diwali phataka?

    DisAgree Agree [1] Reply Report Abuse

  • Jack, Mangalore

    Thu, Nov 29 2018

    No wonder why you are so blind with the words saying nothing before 2014 like your master. Hope you dont say ISRO before 2014 was just generating smoke...

    You think the nuclear test in 1974 was done without satellites. India did have satellite from before just that they are old and time to be replaced with new tech. But even the old Indian satellites can show where exactly you scratch...!!

    DisAgree Agree [2] Reply Report Abuse

  • Shanakr, Kanpur

    Thu, Nov 29 2018

    Credit goes to Nehru ji, Indira ji, Rajiv ji, Sonia ji and Ganeau dhari Rahul ji.....

    JAI ITALY.....

    DisAgree Agree [2] Reply Report Abuse

  • Jossey Saldanha, Mumbai

    Thu, Nov 29 2018

    Thanks to Avul Pakir Jainulabdeen Abdul Kalam ...

    DisAgree Agree [9] Reply Report Abuse

  • Vincent Rodrigues, Katapadi/Bangalore

    Thu, Nov 29 2018

    Congrats to ISRO and all the best in the performance of new satellite launched recently.

    DisAgree Agree [8] Reply Report Abuse


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