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Business News/ Science / Health/  Five things to know about Isro’s PSLV C-35 launch
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Five things to know about Isro’s PSLV C-35 launch

Isro successfully launched PSLV C-35, from Satish Dhawan Space Centre in Sriharikota

Photo: AFP Premium
Photo: AFP

Hyderabad/Bengaluru: The Indian Space Research Organisation (Isro) successfully launched PSLV C-35, carrying eight satellites including India’s ocean and weather satellite SCATSAT-1, from Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh, on Monday morning.

Here are five things to know about PSLV C-35 and the eight satellites.

1. The Monday’s launch used India’s Polar Satellite Launch Vehicle (PSLV), making its 37th flight. Introduced in 1993, the PSLV has a record of 34 successful launches, one partial failure and one outright failure, which occurred on its first launch. The PSLV has made 32 consecutive launches successfully over a period of almost 19 years since placing the IRS-1D satellite into a lower-than-planned orbit during its fourth flight in September 1997. PSLV is a four-stage rocket, with a mixture of solid and liquid-fuelled stages.

2. The 44.4 metre tall PSLV will carry a total weight of 675kg of all the eight satellites on board. This will be PSLV’s longest mission spread over two hours and it is the first time that the rocket is putting its payloads in two different orbits, demonstrating the restart capability of Isro on a complete mission.

Also Read: Isro launches PSLV C-35 carrying 8 satellites for two different orbits

3. It places the primary satellite SCATSAT-1 meant for weather forecasting, cyclone detection and tracking the polar sun-synchronous orbit (SSO) at 730 km, while the seven others will be injected in a 689 km lower orbit after over two hours.

4. The 371kg primary satellite, Scatterometer Satellite 1 or or SCATSAT-1, is designed to serve as a stopgap to help measure ocean winds following the failure of the OSCAT instrument aboard the OceanSat-2 satellite in February 2014. SCATSAT-1 is designed for five years of service, providing an overlap with the OceanSat-3 spacecraft currently scheduled for launch in 2018. The mission objectives of SCATSAT-1 are to help provide weather forecasting services, cyclone detection and tracking.

5. Besides SCATSAT-1, the PSLV rocket is carrying two Indian university satellites, three from Algeria and one each from the US and Canada. The two academic satellites are PRATHAM from IIT Bombay, and PISAT from BES University, Bengaluru, and its consortium. While PRATHAM’s objective is to estimate Total Electron Count, PISAT’s mission is to design and develop a nano-satellite for remote sensing applications.The foreign satellites on board the PSLV are ALSAT-1B, ALSAT-2B and ALSAT-1N (all from Algeria) and Pathfinder-1 and NLS-19, from the US and Canada, respectively.

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Published: 26 Sep 2016, 12:40 PM IST
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