Chandrayaan-2 Successfully enters Lunar Transfer Trajectory – India advancing towards Moon

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Indian aspiration for Moon - Chandrayaan-II Mission by ISRO will deploy a rover on the lunar surface
Indian aspiration for Moon - Chandrayaan-II Mission by ISRO will deploy a rover on the lunar surface

Chandrayaan-2 Successfully enters Lunar Transfer Trajectory

The final orbit raising manoeuvre of Chandrayaan-2 spacecraft was successfully carried out today (August 14, 2019) at 02:21 am IST. During this maneuver, the spacecraft’s liquid engine was fired for about 1203 seconds. With this, Chandrayaan-2 entered the Lunar Transfer Trajectory. Earlier, the spacecraft’s orbit was progressively increased five times during July 23 to August 06, 2019.

The health of the spacecraft is being continuously monitored from the Mission Operations Complex (MOX) at ISRO Telemetry, Tracking and Command Network (ISTRAC) in Bengaluru with support from Indian Deep Space Network (IDSN) antennas at Byalalu, near Bengaluru. Since its launch on July 22, 2019 by GSLV MkIII-M1 vehicle, all systems onboard Chandrayaan-2 spacecraft are performing normal. 

Chandrayaan-2 will approach Moon on August 20, 2019 and the spacecraft’s liquid engine will be fired again to insert the spacecraft into a lunar orbit.  Following this, there will be further four orbit maneuvers to make the spacecraft enter into its final orbit passing over the lunar poles at a distance of about 100 km from the Moon’s surface.

Tentative plan for future operation after Trans Lunar Injection are as follows,

 DateTimeOrbit around moon
LOI/LBN#1August 20, 20198:30-9:30118  X  18078
LBN#2August 21, 201912:30 – 13:30121 X 4303
LBN#3August 28, 201905:30 – 06:30178 X 1411
LBN#4August 30, 201918:00 – 19:00126 X 164
LBN#5September 01, 201918:00 – 19:00114 X 128

Subsequently, Vikram lander will separate from the orbiter on September 02, 2019.  Two orbit maneuvers will be performed on the lander before the initiation of powered descent to make a soft landing on the lunar surface on September 07, 2019.

Final orbit raising manoeuvere of Chandrayaan-2 spacecraft at Mission Operation Complex (MOX) at ISTRAC

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