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India’s remote sensing satellite set for launch on Thursday

India’s remote sensing satellite set for launch on Thursday 

The countdown for the Thursday early morning launch of a rocket laden with remote sensing satellite Risat-1 has begun in Sriharikota in Andhra Pradesh, an ISRO official said, a step that will reinforce India’s global leadership position in the field.

The indigenous Radar Imaging Satellite (Risat-1) would be used for disaster prediction and agriculture forestry, and the high resolution pictures and microwave imaging could also be used for defense purposes, a statement from Indian Space Research Organization (ISRO) said.

Polar Satellite Launch Vehicle (PSLV) is all set on the launch pad at Sriharikota, 80-km from here, to blast off at 5.47 am on April 26 ferrying the 1,858 kg Risat-1, a wholly Indian-built spy/surveillance satellite. “

The countdown for the Thursday launch started at 6.47 am Monday,” an ISRO official preferring anonymity told IANS. “The filling up of the propellant (2.5 tone) for the fourth stage/engine is progressing smoothly. The same propellant but in small quantities (600 kg) will also be filled for the powering the rocket control systems.”

Remote sensing satellites send back pictures and other data for use. India has the largest constellation of remote sensing satellites in the world providing imagery in a variety of spatial resolutions, from more than a meter ranging up to 500 meters, and is a major player in vending such data in the global market.

With 11 remote sensing/earth observation satellites orbiting in the space, India is a world leader in the remote sensing data market. The 11 satellites are TES, Resourcesat 1, Cartosat 1, 2, 2A and 2B, IMS 1, Risat-2, Oceansat 2, Resourcesat-2, Megha-Tropiques.

The satellite’s synthetic aperture radar (SAR) can acquire data at C-band. In 2009, ISRO had launched 300 kg Risat-2 with an Israeli built SAR enabling earth observation on all weather, day and night conditions.

According to an ISRO official, on Tuesday the rocket systems will be charged with gases and fuelling of the rocket’s second stage with liquid propellant would happen. Also, charging of batteries and pressurization of propellant tanks on-board the satellite will be performed. Readiness of various ground systems such as tracking radar systems and communication networks will also be checked.

The rocket would inject Risat-1 satellite into an orbit of 480 km altitude at an inclination of 97.552 degree. The satellite will be put in its final orbital configuration at 536 km altitude using thrusters onboard the satellite. The rocket that would sling Risat-1 will be the four staged PSLV’s upgraded variant called PSLV-XL which would weigh 320 tones at lift-off.

The PSLV’s four stages are fuelled with solid and liquid propellants. The first and third stages are fuelled by solid fuel while the second and fourth stages are powered by liquid fuel.

ISRO had used the PSLV-XL variant (rocket with extended strap-on motors than what the base model has) for its moon mission (Chandrayaan-1) in 2008 and for launching its communication satellite GSAT-12 in 2011.

According to ISRO officials the rocket launch will be controlled by space scientists at the new mission control center inaugurated by President Pratibha Patil this January. The new mission control center is modern and has larger area to accommodate more space scientists, officials, VIPs and others.

"The filling up…
stage/engine is progressing smoothly…
Also, charging of batteries and pressurization of…
Sriharikota in Andhra Pradesh, an ISRO official said, a step that will reinforce India’s global leadership position in the field…
The new mission control center is modern and has larger area…
The indigenous Radar Imaging Satellite (Risat-1) would be used for disaster prediction and agriculture forestry, and the high…
” The countdown for the…
launch pad at Sriharikota, 80-km from here, to blast off at 5…
radar systems and communication networks will also be checked…
scientists at the new mission control center inaugurated by President Pratibha Patil this January…
Thursday launch started at 6…
satellite the space, India is a world leader in the remote sensing data market…
official preferring anonymity told IANS…
back pictures and other data for use…
a wholly Indian-built spy/surveillance satellite…
The rocket would inject Risat-1 satellite into…
The 11 satellites are TES, Resourcesat 1, Cartosat 1, 2, 2A…
The PSLV’s four stages are…
while the second and fourth stages are powered by liquid fuel…
resolutions, from more than a meter ranging up to 500 meters, and is a major player in vending such data in the global market…
of the propellant (2…
Readiness of various ground systems such as tracking…
configuration at 536 km altitude using thrusters onboard the satellite…
ISRO had used the PSLV-XL variant (rocket with extended strap-on motors than what the base model has)…
to accommodate more space scientists, officials, VIPs and others…
552…
for its moon mission (Chandrayaan-1) in 2008 and for launching its communication satellite GSAT-12 in 2011…
fuelled with solid and liquid propellants…
propellant tanks on-board the satellite will be performed…
With 11 remote sensing/earth observation satellites orbiting in…
The countdown for the Thursday early morning launch of a rocket laden with remote sensing satellite Risat-1 has begun in…
In 2009, ISRO had launched 300 kg Risat-2 with an Israeli built…
and 2B, IMS 1, Risat-2, Oceansat 2, Resourcesat-2, Megha-Tropiques…
an orbit of 480 km altitude at an inclination of 97…
Polar Satellite Launch Vehicle (PSLV) is all set on the…
The satellite will be put in its final orbital…
47 am on April 26 ferrying the 1,858 kg Risat-1,…
de…
upgraded variant called PSLV-XL which would weigh 320 tones at lift-off…
SAR enabling earth observation on all weather, day and night conditions…
resolution pictures and microwave imaging could also be used for defense purposes, a statement from Indian Space Research Organization (ISRO) said…
radar (SAR) can acquire data at C-band…
5 tone) for the fourth…
also be filled for the powering the rocket control systems…
According to an ISRO official, on Tuesday the rocket systems will be charged…
India has the largest constellation of remote sensing satellites in the world providing imagery in a variety of spatial…
The satellite’s synthetic aperture…
The same propellant but in small quantities (600 kg) will…
According to ISRO officials the rocket launch will be controlled by space…
with gases and fuelling of the rocket’s second stage with liquid propellant would happen…
" Remote sensing satellites send…
The first and third stages are fuelled by solid fuel…
The rocket that would sling Risat-1 will be the four staged PSLV’s…
47 am Monday,” an ISRO…

(Source: New York Daily News)