Aditya L1 spacecraft successfully completes fourth earth-bound maneuver

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ndia’s first space-based mission to study the Sun, Aditya L1, has successfully completed its fourth earth-bound maneuver. The maneuver was performed on Friday morning and was carried out by ISRO’s ground stations in Mauritius, Bengaluru, SDSC-SHAR and Port Blair.

The new orbit attained by Aditya L1 is 256 km x 121973 km. The next maneuver, the Trans-Lagragean Point 1 Insertion (TL1I), is scheduled for September 19. This maneuver will mark the beginning of Aditya L1’s journey to the L1 Lagrange point, which is located roughly 1.5 million km from Earth.

Aditya L1 is a halo orbit around the L1 point, which is a balanced gravitational location between the Earth and the Sun. The satellite will spend its entire mission life orbiting around L1 in an irregularly shaped orbit in a plane roughly perpendicular to the line joining the Earth and the Sun.

The Aditya L1 spacecraft was launched on September 2 by ISRO’s Polar Satellite Launch Vehicle (PSLV-C57). The spacecraft carries seven scientific payloads indigenously developed by ISRO and national research laboratories. The payloads are to observe the photosphere, chromosphere and the outermost layers of the Sun (the corona) using electromagnetic particle and magnetic field detectors.

The Aditya L1 mission is expected to provide valuable insights into the Sun’s atmosphere and its effects on space weather. The mission is also expected to help scientists better understand the causes of solar flares and coronal mass ejections, which can have a significant impact on Earth’s atmosphere and climate.

ISRO has said that the Aditya L1 mission is a “major milestone” in India’s space program and will help the country to become a leading player in space science and exploration


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