By IDR News Network
28 Sep , 2015
In its thirty first flight (PSLV-C30) conducted today (September 28, 2015), India’s Polar Satellite Launch Vehicle successfully launched ASTROSAT, the country’s Multi Wavelength Space Observatory along with six foreign customer satellites into a 644.6 X 651.5 km orbit inclined at an angle of 6 deg to the equator. The achieved orbit is very close to the intended one. This was the thirtieth consecutive success for PSLV.
PSLV was launched today in its heaviest ‘XL’ version with six strap-on motors of the first stage. The launch took place from the First Launch Pad at the Satish Dhawan Space Centre SHAR (SDSC SHAR), Sriharikota, the spaceport of India.
The 320 tonne, 45 m tall PSLV-C30 carrying seven satellites including the 1513 kg ASTROSAT, lifted off at 10:00 Hrs IST. About twenty two minutes after lift-off, ASTROSAT was successfully placed in orbit and separated from the fourth stage of PSLV-C30. The separation of all the six co-passenger satellites was completed in the subsequent three minutes. The seven satellites carried by PSLV-C30 together weighed about 1631 kg at lift-off.
After a 50 hour smooth count down, the 320 ton PSLV-C28 was launched with the ignition of its first stage. The important flight events included the ignition and separation of the strap-ons, separation of the first stage, ignition of the second stage, separation of the payload fairing after the vehicle had cleared the dense atmosphere, second stage separation, third stage ignition and third stage separation, fourth stage ignition and fourth stage cut-off.