Aditya-L1 Embarks on 110-Day Journey to Suns Lagrange Point.

Aditya-L1 Embarks on 110-Day Journey to Suns Lagrange Point.
Aditya-L1 Embarks on 110-Day Journey to Suns Lagrange Point.
Aditya-L1 Embarks on 110-Day Journey to Suns Lagrange Point.
Aditya-L1 Embarks on 110-Day Journey to Suns Lagrange Point.

Aditya-L1 Embarks on 110-Day Journey to Suns Lagrange Point.

Aditya-L1 Embarks on 110-Day Journey to Suns Lagrange Point. Pic/PTI

*Successful Trans-Lagrangean Point 1 Insertion Maneuver*

The Aditya-L1 spacecraft, launched by the Indian Space Research Organisation (ISRO), has left Earth’s orbit and initiated its 110-day journey towards the Sun’s Lagrange Point -1 (L1). The critical Trans-Lagrangean Point 1 Insertion (TL1I) maneuver was executed successfully at 2:00 am on Tuesday. This maneuver slingshotted the spacecraft out of Earth’s orbit, setting it on course toward the Sun.

**Trajectory to Sun-Earth L1 Point**

ISRO stated that the spacecraft is now following a trajectory that will lead it to the Sun-Earth L1 point. After approximately 110 days, another maneuver will position the spacecraft in a halo orbit around the L1. This orbit takes advantage of the gravitational forces between the Sun and Earth, creating regions of attraction and repulsion that counterbalance each other, allowing the spacecraft to remain in a stable position with minimal fuel consumption.

**Successful Trajectory Transfers**

This marks the fifth consecutive success for ISRO in transferring an object onto a trajectory toward a celestial body or space location. ISRO’s precision in executing such maneuvers demonstrates its expertise in space exploration.

**Scientific Data Collection by STEPS Instrument**

Meanwhile, ISRO’s Supra Thermal and Energetic Particle Spectrometer (STEPS) instrument, part of the Aditya Solar Wind Particle Experiment (ASPEX) payload aboard the Aditya-L1, has already commenced collecting scientific data. This data, gathered during Earth’s orbits, will enable scientists to analyze the behavior of particles in Earth’s vicinity, particularly in the presence of Earth’s magnetic field.

**STEPS Instrument Specifications**

STEPS comprises six sensors, each observing in different directions and measuring supra-thermal and energetic ions ranging from 20 keV/nucleon to 5 MeV/nucleon, as well as electrons exceeding 1 MeV. The instrument was activated on September 10, 2023, at a distance exceeding 50,000 km from Earth, which is more than eight times Earth’s radius.

This distance ensures that the instrument operates well beyond Earth’s radiation belt region.The successful execution of these maneuvers and data collection activities represents significant progress in India’s space exploration efforts and its contributions to scientific research.

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