ISRO Begins Countdown For Heaviest Commercial PSLV-C28 Mission

Indian Space Research Organisation (ISRO) has begun the countdown for its “heaviest” commercial mission to put in orbit five British satellites on July 10. ISRO is all set to launch India’s PSLV-C28 from Andhra Pradesh states space port Sriharikota.

heaviest commercial mission of ISRO

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Countdown Started for India’s Heaviest Commercial PSLV-C28 Mission

ISRO begun the countdown for the PSLV-C28 India’s heaviest commercial 62.5-hour long flight at 07.48 AM today which is advancing slowly. On July 10 at 9.58 PM ISRO’s workhorse Polar Satellite Launch Vehicle (PSLV) will fire out “heaviest” commercial mission PSLV-C28 from the Satish Dhawan Space Centre at Sriharikota, about 90 km from Chennai, and put in orbit the five satellites.

Official reports claim that this mission becomes the “heaviest commercial mission” with the overall lift-off mass of the five satellites amounting to about 1440 kg ever undertaken by ISRO and its commercial arm Antrix.

Countdown was cleared or the PSLV C28/ DMC3 mission yesterday by the Mission Readiness Review Committee and Launch Authorisation Board. Three identical DMC3 optical earth observation satellites would be launched by the PSLV in its 30th mission built by Surrey Satellite Technology Limited (SSTL), United Kingdom, and two auxiliary satellites.

Using the high end of PSLV-XL three DMC3 satellites would be launched weighing 447 kg each into a 647 km Sun-Synchronous Orbit (SSO). ISRO’s PSLV C28 will also carry two auxiliary satellites from UK — CBNT-1 in addition to the three DMC3 satellites which is a technology demonstrator earth observation microsatellite built by SSTL, and De-OrbitSail, a technology demonstrator nano-satellite built by Surrey Space Centre.

ISRO is launching the five international satellites as part of the arrangement entered into between DMC International Imaging (DMCii) which is a wholly owned subsidiary of SSTL, UK and Antrix Corporation Limited.

Constituting the three advanced mini-satellites DMC3-1, DMC3-2 and DMC3-3, the DMC3 constellation has been designed to address the need for simultaneous high spatial resolution and high temporal resolution optical Earth Observation.

All the three advanced mini-satellites DMC3-1, DMC3-2 and DMC3-3 of the DMC3 constellation can image any target on the Earth’s surface every day. Officially it was reported that DMC3 satellites would be used in surveying the resources on earth and its environment, managing urban infrastructure and monitoring disasters. Let’s all wish ISRO a good luck earning laurels for the nation.

ISRO heaviest commercial mission PSLV-C28

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