Chandrayaan-2 leaves earth's orbit, journey to the moon begins

Federico Mansilla
Agosto 14, 2019

After revolving around the earth for almost 23 days since its launch from the space station at Srikarikota, Chandrayaan-2 has begun its journey to the moon, early morning on Wednesday.

Those who are waiting endlessly for the lander, Vikram's soft landing on the Moon, the National Geographic is planning to stream a live show on September 7. The lunar orbits are planned so as to make the spacecraft enter into its final orbit passing over the lunar poles at a distance of about 100 kilometres from the surface of the Moon. The final descent of Chandrayaan-2, when its thrusters will move into reverse direction so as to reduce the spacecraft's speed, will be shaky.

Indian Space Research Organization (ISRO) chairman Dr K Sivan recently stated that the Chandrayaan weighing 3850 kg was launched on 22 July and it will reach the lunar surface on 7 September. To put Chandrayaan-2 in the lunar trajectory from perigee (the point in the orbit when the craft is nearest to Earth), Isro had first raised the elliptical orbit of the lunarcraft around Earth by conducting five manoeuvres.

Now Chandrayaan-2 will leave Earth's orbit and move towards the moon.

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The Chandrayaan-2 spacecraft is expected to reach the moon's orbit on August 20.

India's most challenging mission till date, Chandrayaan-2 was launched from Satish Dhawan Space Centre in Sriharikota on July 22 using the powerful Geostationary satellite launch vehicle (GSLV)-Mk-111 M-1. The spacecraft successfully carried out the crucial process of trans-lunar injection, moving from earth's orbit towards the moon.

The Vikram lander will separate from the orbiter on September 2, 2019. The mission, if successful, will make India the fourth country after Russian Federation, the United States and China to make a soft landing on the moon. The mission life of the lander is also one lunar day, while the orbiter will continue its mission for a year. The mission was primarily aimed at landing a rover in the unexplored lunar south pole. Chandrayaan-2 is loaded with 13 desi payloads that will do a detailed study of topography, seismography, mineral identification and distribution, surface chemical composition, thermo-physical characteristics of top soil and composition of the tenuous lunar atmosphere for a new understanding of the origin and evolution of Moon.

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