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Chandrayaan-2 moves closer to Moon



The Indian Space Research Organization (ISRO) said on Friday 30 August 2019, that the fourth lunar bound orbit maneuver for the Chandrayaan-2 spacecraft, presently in the lunar orbit for its Moon rendezvous, was effectively conducted. After the maneuver on the spacecraft, the Bengaluru headquarters said that all spacecraft parameters are normal.

“On 30 August 2019, the fourth Lunar bound orbit maneuver for Chandrayaan-2 spacecraft was effectively conducted using the onboard propulsion system, starting at 1818 hrs IST as scheduled. The maneuver length was 1155 seconds. The successful orbit is 124 km x 164 km, “said the ISRO in an update.

The next maneuver of the Lunar bound orbit is planned for September 1. In a major milestone for India’s second Moon mission, the Chandrayaan-2 spacecraft reached the lunar orbit effectively on August 20 with the maneuver of Lunar Orbit Insertion (LOI).

Today, expectedly there will be another orbit maneuver to get the spacecraft into its final orbit, crossing the lunar pole at a distance of about 100 km from the surface of the Moon.

ISRO has said subsequently the lander will separate from the Orbiter (on September 2) and enter into a 100 km X 30 km orbit around the Moon.

On September 7, 2019, it will conduct a sequence of complicated braking maneuvers on soft soil in the Moon’s southern polar region..

ISRO Chairman K Sivan said that the proposed soft landing on the Moon was going to be a “terrifying” moment as it was something ISRO had not done before, while LOI’s maneuver during the Chandrayaan-1 mission was successful.

The health of the spacecraft is being continuously monitored from the Mission Operations Complex at ISRO Telemetry, Tracking and Command Network in Bengaluru with support from Indian Deep Space Network antennas at Bylalu, near Bengaluru, the space agency has said.

The mission life of the lander is said to be one lunar day, While the orbiter’s task will proceed for a year. The orbiter holds eight scientific charges to map the lunar surface and study the Moon’s exosphere (outer environment), whereas the lander carries three scientific charges to perform surface and sub-surface science experiments.

Chandrayaan-2’s task, according to ISRO, is to create and prove important techniques for end-to-end lunar mission capacity, including soft landing and lunar surface roving.

On the scientific front, this task aims at further expanding the knowledge of the moon through thorough research of its topography, mineralogy, surface chemical structure, thermo-physical features, and atmosphere, leading to a better understanding of the Moon’s origin and development, the space agency said.

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Tag – Indian Second Lunar Mission Chandrayaan 2, Chandrayaan-2 moves closer to Moon

September 1, 2019

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