Chandrayaan-2 to Be Inserted Into Lunar Orbit Today: ISRO

Chandrayaan-2 to perform lunar orbit insertion today, and thereafter needs four more orbit manoeuvres before reaching the final orbit.

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Chandrayaan-2 to Be Inserted Into Lunar Orbit Today: ISRO

Photo Credit: ISRO

Vikram lander mounted on top of the Chandrayaan-2 orbiter

Highlights
  • ISRO will fire Chandrayaan-2's liquid engine on Tuesday
  • This will be done to insert the spacecraft into a lunar orbit
  • Vikram lander will separate from the orbiter on September 2

In a significant milestone for India's Moon mission, ISRO will fire Chandrayaan-2's liquid engine on Tuesday to insert the spacecraft into a lunar orbit. At 11am, ISRO will hold a press conference about the lunar orbit insertion. "It's tomorrow morning (tentatively between 8:30am and 9:30am). It's challenging," Chairman of Indian Space Research Organisation K Sivan told PTI on Monday on the operation to put the spacecraft in an orbit around the Moon.

Following this, there will be further four-orbit manoeuvres to make the spacecraft enter into its final orbit passing over the lunar poles at a distance of about 100km from Moon's surface, ISRO has said.
Subsequently, the Vikram lander will separate from the orbiter on September 2, according to the Bengaluru-headquartered space agency.

In a tweet today, ISRO said media will be briefed on the lunar orbit insertion at 11am IST, and that the press conference can be streamed live on the ISRO website and YouTube channel.

Two orbit manoeuvres will be performed on the lander before the initiation of powered descent to make a soft landing on the lunar surface on September 7, ISRO said.

Chandrayaan-2, launched on July 22 by GSLV MkIII-M1 vehicle, had entered the Lunar Transfer Trajectory on August 14 after final orbit raising manoeuvre of the spacecraft was successfully carried out.

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.

All systems on board Chandrayaan-2 spacecraft are performing normal, ISRO said on August 14.
According to ISRO, Chandrayaan-2 — India's second lunar expedition — will shed light on a completely unexplored region of the Moon, its South Pole.

"This mission will help us gain a better understanding of the origin and evolution of the Moon by conducting detailed topographical studies, comprehensive mineralogical analyses, and a host of other experiments on the lunar surface," the space agency has said.

"While there, we will also explore discoveries made by Chandrayaan-1, such as the presence of water molecules on the Moon and new rock types with unique chemical composition," it said.

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