India’s PSLV-C38 Mission/Cartosat2E Launch

Image credit & copyright: India Space Research Organization (ISRO). Live streaming links below (hopefully).

LAUNCH ALERT! Thursday, June 22, 2017 at 23:59 EDT (03:59 UTC on the 23rd), the Indian Space Research Organization (ISRO) will be launching a Polar Satellite Launch Vehicle (PSLV) in its “XL” configuration, designated “PSLV-C38” carrying the Cartosat-2 series Earth observation satellite along with 29 other co-satelites from the First Launch Pad (FLP), at the Satish Dhawan Space Center, Sriharikota, India.

PSLV-C38 will be the 40th flight of the PSLV rocket and its 17th flight in the “XL” configuration.

India’s Polar Satellite Launch Vehicle (PSLV):

The PSLV is a medium lift, 4 stage rocket standing 44 m (144 ft.) tall with a diameter of 2.8 m (9 ft. 2 in.) and is India’s space launch workhorse. It can deliver 3,800 kg (8,400 lb.) into Low Earth Orbit (LEO), 1,750 kg (3,858 lb.) into a Sun-Synchronous Polar Orbit (SSPO) and 1,425 kg (3,141 lb.) into a Sub-Geostationary Transfer Orbit (GTO).  The PSLV comes in 3 variants; the “PSLV-XL” and “PSLV-G” which use six strap-on solid rocket motors, while the “PSLV-CA” is the no-booster, “Core Alone” version.

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 3.2 m (10 ft. 6 in.) in diameter.

Propulsion Stage 4 (PS4): Fourth (upper) stage is 2.6 m (8 ft. 6 in.) in length and 2.8 m (9 ft. 2 in.) in diameter. It’s two L-2-5 engines use Monomethylhydrazine as fuel, MON-3 as oxidizer and has a variable burn time but the high end is more than 500 seconds.

Propulsion Stage 3 (PS3): Third stage is 3.5 m (11 ft. 6 in.) in length and 2.8 m (9 ft. 2 in.) in diameter. Its single S-7 engine uses HTPB solid fuel and has a burn time of 112 seconds.

Propulsion Stage 2 (PS2): Second stage is 12.8 m (41 ft. 11 in.) in length and 2.8 m (9 ft. 2 in.) in diameter. Its single Vikas engine utilizes Unsymmetrical Dimethylhydrazine as fuel, Nitrogen Tetroxide as oxidizer and has a burn time of 158 seconds.

Propulsion Stage 1 (PS1): First stage is 20.3 m (66 ft. 7 in.) in length and 2.8 m (9 ft. 2 in.) in diameter. Its S139 engine utilizes HTPB solid fuel and has a burn time of 105 seconds.

Strap-On Boosters: The PSLV-XL and PSLV-G variants each use 6 HTPB solid fueled, strap-on boosters. The PSLV-G uses 6 standard size boosters, each 10 m (32 ft. 9 in.) in length and 1 m (3 ft. 3 in.) in diameter with a burn time of 44 seconds.  The PSLV-XL uses 6 extended boosters, each 13.5 m (44 ft. 3 in.) in length and 1 m (3 ft. 3 in.) in diameter, with a burn time of 50 seconds.  Four of the six boosters ignite on the launch pad while two ignite at 25 seconds into flight. If you look at the boosters they will say PSOM but if they are “XL” boosters they will say “XL” below that.  Below even that is the number of the booster 1-6.

 

Watch Live:

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

PSLV-C38 Mission Information:

PSLV-C38 main page: http://www.isro.gov.in/launcher/pslv-c38-cartosat-2-series-satellite

Cartosat 2 Series Satellite: http://www.isro.gov.in/Spacecraft/cartosat-2-series-satellite-1

PSLV-C38/Cartosat2 brochure: http://www.isro.gov.in/pslv-c38-cartosat-2-series-satellite/pslv-c38-cartosat-2-series-satellite-brochure

Indian Space Research Organization (ISRO) Social Media:

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

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

Twitter: https://twitter.com/isro

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

Polar Satellite Launch Vehicle (PSLV):

ISRO PSLV page: http://www.isro.gov.in/launchers/pslv

ISRO PSLV launch list: http://www.isro.gov.in/launchers/list-of-pslv-launches

PSLV Wiki: https://en.wikipedia.org/wiki/Polar_Satellite_Launch_Vehicle

 

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