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  ISRO all set to launch mission to study Sun from Sriharikota today Spacecraft to cover 1.5 million km distance to L1 point in nearly four months After a successful landing on the Moon, the Indian Space Research Organisation is ready to launch its Aditya-L1 mission to study the Sun at 11.50 am on Saturday from the second launch pad at Sriharikota. The 1,480 kg spacecraft will be carried by India’s workhorse Polar Satellite Launch Vehicle (PSLV) and put in a highly elliptical orbit of 235 km x 19,500 km around the Earth. The PSLV in its XL configuration, which has six solid fuel-based boosters, will take just over an hour to place the satellite in orbit. The orbit as well as the velocity of the spacecraft will then be increased till it is slingshot towards the Sun. The distance of 1.5 million km to L1 point will be covered in nearly four months (125 days). The spacecraft will then be inserted in a halo orbit around the L1 point. The seven science experiments onboard will continue c...