ISRO’s Aditya L1 Mission: A 926-Day Journey to the Sun that Captivated India

**Unveiling the Aditya L1 Mission: India’s Remarkable 926-Day Voyage to the Sun**

India’s space exploration has experienced a renaissance in the last six months with the emergence of ISRO’s ‘VikramAditya’ era. Following the triumph of the country’s lunar mission Chandrayaan-3, where ISRO successfully landed the ‘Vikram’ lander on the south pole of the moon, the Aditya spacecraft gracefully settled in its designated orbit around the Sun on Saturday.

**A Journey Through Chronology**

The Aditya L1 mission embarked on a remarkable journey, marked by pivotal events signaling its progress and achievements:

**September 2, 2023: ISRO Launches Aditya-L1**
On this historical date, the Indian Space Research Organisation (ISRO) initiated the Aditya L1 mission by launching it onboard PSLV-C57.

**September 3: First Earth-bound Maneuver**
A significant milestone was achieved with the successful execution of the first Earth-bound maneuver, guiding the spacecraft to attain an orbit of 245 km x 22459 km.

**September 5: Second Earth-bound Maneuver**
In a demonstration of precision, the second Earth-bound maneuver was performed successfully, propelling the spacecraft into a new orbit of 282 km x 40225 km.

**September 10: Advancing Further**
Continuing the journey, the third Earth-bound maneuver was executed, enabling the spacecraft to reach a new orbit of 296 km x 71767 km.

**September 15: Navigating the Path**
The fourth Earth-bound maneuver was accomplished, directing the spacecraft to a new orbit of 256 km x 121973 km, achieving a crucial milestone in its trajectory.

**September 18: Commencement of Scientific Data Collection**
The Aditya-L1 spacecraft initiated the collection of scientific data, signifying the beginning of its vital mission objectives.

**September 30: Escaping Earth’s Influence**
A defining moment in the mission’s timeline was reached as the spacecraft escaped the sphere of Earth’s influence, embarking on its journey towards the Sun-Earth Lagrange Point 1 (L1).

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**October 6: Trajectory Correction Maneuver (TCM)**
The spacecraft underwent a precise 16-second trajectory correction maneuver (TCM), ensuring its alignment with the intended path for the Halo orbit insertion around L1.

**November 7: Capturing Solar Flares**
The HEL1OS payload achieved a significant breakthrough by capturing the first High-Energy X-ray glimpse of Solar Flares, contributing to a deeper understanding of solar phenomena.

**December 1: Operationalizing Scientific Payload**
The Solar wind Ion Spectrometer (SWIS) within the Aditya Solar wind Particle Experiment (ASPEX) payload was made operational, enabling the collection of crucial solar wind data.

**December 10: Revelations through Imaging**
The SUIT payload made a significant contribution by capturing full-disk images of the Sun in near ultraviolet wavelengths, providing invaluable insights into solar dynamics.

**January 6, 2024: Arrival at Destination**
Marking a momentous achievement, India’s first solar observatory, Aditya-L1, successfully reached its designated destination, culminating a remarkable 926-day journey to the Sun.


The Aditya L1 mission stands as a testament to ISRO’s unwavering commitment to pushing the boundaries of space exploration. With each milestone achieved, the mission has contributed significantly to our understanding of the Sun and its intricate phenomena, laying the foundation for groundbreaking scientific discoveries. As India’s scientific prowess continues to soar, the Aditya L1 mission serves as a beacon of inspiration for the nation and the global scientific community, propelling us towards new frontiers of knowledge and exploration.


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