India’s GSLV MK-II to Launch GSAT-9 Friday

Image credit & copyright: India Space Research Organization (ISRO) of the GSLV-F09 launch vehicle.

LAUNCH ALERT! Friday, May 5, 2017 at 11:27 UTC (07:27 EDT), the Indian Space Research Organization (ISRO) will be launching a Geosynchronous Satellite Launch Vehicle (GSLV) MK-II, designated “GSLV-F09” carrying the GSAT-9 communication satellite from the Satish Dhawan Space Center, Sriharikota, India.

GSLV-F09 will be the 11th flight of the GSLV rocket.

Image credit & copyright: India Space Research Organization (ISRO) of the GSLV-F09 launch vehicle.

India’s Geosynchronous Satellite Launch Vehicle (GSLV-MKII):

The GSLV-MKII is a medium lift, 3 stage rocket standing 49.3 m (161 ft. 9 in.) tall and 2.8 m (9 ft. 2 in.) in diameter and has a liftoff mass of 414,750 kg (914,370 lb). It can deliver 5,000 kg (11,000 lb.) into Low Earth Orbit (LEO) and 2,500 kg (5,500 lb.) into a Sub-Geostationary Transfer Orbit (GTO).

Payload Fairing: The PSLV payload fairing is two-shell protective enclosure that protects the spacecraft until it is high enough to be safe from atmospheric turbulence and is 8.3 m (27 ft. 3 in.) in length and 3.4 m (11 ft. 2 in.) in diameter.

Cryogenic Upper Stage (CUS): Third stage is 3.5 m (11 ft. 6 in.) in length and 2.8 m (9 ft. 2 in.) in diameter. Its single CE-7.5 engine utilizes liquid hydrogen and liquid oxygen (LOX/LH2) and has a burn time of 720 seconds.

Second Stage (GS2): Second stage is 11.56 m (37 ft. 11 in.) in length and 2.8 m (9 ft. 2 in.) in diameter. Its single GS2 Vikas 4 engine utilizes unsymmetrical dimethylhydrazine (UDMH) as fuel, dinitrogen tetroxide or nitrogen tetroxide (N2O4) as oxidizer and has a burn time of 158 seconds.

S139 Core Stage (GS1): First stage is 20.3 m (66 ft. 7 in.) in length and 2.8 m (9 ft. 2 in.) in diameter. Its single S139 engine ignites 4.8 seconds after the four strap-on motors and utilizes hydroxyl-terminated polybutadiene (HTPB) solid fuel with a burn time of 100 seconds.

Image credit & copyright: India Space Research Organization (ISRO) of the GSLV-F09 launch vehicle.

Strap-On Boosters: The GSLV MK-II uses four liquid fueled, strap-on boosters. Each are 19.7 m (64 ft. 8 in.) in length and 2.1 m (6 ft. 11 in.) in diameter and are powered each by one L40H Vikas 2 engine utilizing unsymmetrical dimethylhydrazine (UDMH) as fuel, dinitrogen tetroxide or nitrogen tetroxide (N2O4) as oxidizer with a burn time of 160.8 seconds.  The strap-on boosters continue to power for 56 seconds after burnout of the first stage.

Image credit & copyright: India Space Research Organization (ISRO).

Watch Live:

ISRO: http://www.isro.gov.in/pslv-c37-cartosat-2-series-satellite/pslv-c37-cartosat-2-series-satellite-live

ISRO PSLV LIVE: http://cdn.24fd.com/events/isro/150217/PSLV-C37/

Doordarshan: http://www.ddindia.gov.in/Pages/Home.aspx

Doordarshan LIVE YouTube: https://www.youtube.com/watch?v=xPPV46KaR5o

Doordarshan National LIVE YouTube: https://www.youtube.com/watch?v=fujsQ5teHJI

GSAT-F09 Mission Information:

GSAT-F09 mission page: http://www.isro.gov.in/gslv-f09-gsat-9

GSAT-F09 gallery: http://www.isro.gov.in/gslv-f09-gsat-9/gslv-f09-gsat-9-gallery

Indian Space Research Organization (ISRO) Social Media:

ISRO Main Site: http://www.isro.gov.in

Satish Dhawan Space Center: http://www.shar.gov.in/SDSCE/index.jsp

ISRO Facebook: https://www.facebook.com/isro

ISRO Twitter: https://twitter.com/isro

ISRO Image Galleries: http://www.isro.gov.in/image-galleries

ISRO Wiki: https://en.wikipedia.org/wiki/Indian_Space_Research_Organisation

Geosynchronous Satellite Launch Vehicle (GSLV):

ISRO Launchers page: http://www.isro.gov.in/launchers

ISRO GSLV page: http://www.isro.gov.in/launchers/gslv

ISRO list of GSLV launches: http://www.isro.gov.in/launchers/list-of-gslv-launches

GSLV Wiki: https://en.wikipedia.org/wiki/Geosynchronous_Satellite_Launch_Vehicle

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