Successful launch of Chandrayaan-2, What happens after it leaves Earth’s orbit

Chandrayaan-2, India’s second lunar mission, was launched successfully by ISRO from the Satish Dhawan Space Centre at Sriharikota in Andhra Pradesh at 02:43 pm on Monday.

Launched onboard India’s most powerful rocket, the GSLV Mk-III, Chandrayaan-2 has left the atmosphere and has been lodged into Earth’s orbit.

As the module approached space, the strap on rockets separated from the launcher and the L110 second stage rocket ignited to lodge the lunar mission in the planet’s orbit.

Once in orbit, L110 second stage rocket separated and C 25 third stage rocket ignited to push the Chandrayaan-2 through a series of manoeuvres, putting it on a Lunar Transfer Trajectory.

On entering the Moon’s sphere of influence, the on-board thrusters will slow down the spacecraft for Lunar Capture. The orbit of Chandrayaan-2 around the Moon will be circularised to 100×100 km orbit through a series of orbital manoeuvres.

On the day of landing, the lander will separate from the orbiter and then perform a series of complex manoeuvres comprising of rough braking and fine braking. Imaging of the landing site region prior to landing will be done for finding safe and hazard-free zones.

The lander Vikram will finally land near South Pole of the Moon on September 6, 2019. Subsequently, the rover will roll out and carry out experiments on lunar surface for a period of one lunar day which is equal to 14 Earth days.

The orbiter will continue its mission for duration of one year.


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