Dr. K Sivan, Chairman, Indian Space Research Organization (ISRO).
Credit: ISRO


India is celebrating the Lunar Orbit Insertion (LOI) of the country’s Chandrayaan-2 spacecraft.

“The LOI maneuver was performed successfully today morning using the onboard propulsion system for a firing duration of about 29 minutes,” said Dr. K Sivan, Chairman, Indian Space Research Organization (ISRO), in an August 20 press briefing.

“This maneuver precisely injected Chandrayaan-2 into an orbit around the Moon,” Sivan added. He emphasized the unique requirement of 90 degree orbital inclination of Chandrayaan-2 and said that it was achieved by the precise execution of both the Trans Lunar Injection (performed on August 14, 2019) and today’s LOI maneuver.

Credit: ISRO

Next milestones

India’s Moon mission – an orbiter, lander and rover — is now located in a lunar orbit with a distance of about 70 miles (114 kilometers) at perilune (nearest point to the Moon) and 11,300 miles (18,072 kilometers) at apolune (farthest point to the Moon.

Early next month, a series of four orbit maneuvers will be performed on Chandrayaan-2 spacecraft to enable it to enter its final orbit passing over the lunar poles at a distance of about 60 miles (100 kilometers) from the Moon’s surface.

Credit: ISRO

Lander release

Subsequently, on September 02, 2019 the Vikram lander will separate from the Moon-circling orbiter. 

Following this, orbit maneuvers will be performed on Vikram to place it in a 60 x 19 mile (100 x 30 kilometer) orbit around the Moon. 

The Vikram lander will then perform a series of complex braking maneuvers to soft land in the South polar region of the Moon between two craters, Manzinus C and Simpelius N on September 7, 2019.

Credit: ISRO

All systems healthy

A few hours following touchdown, the Pragyaan rover will roll down from Vikram and will perform on-the-spot exploration of the surrounding lunar surface.

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 Bylalu, near Bengaluru.

All the systems of Chandrayaan-2 are healthy, reports ISRO.

Go to ISRO press event on the occasion of Lunar Orbit Insertion of Chandrayaan-2 Mission:


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