Bangalore: India’s first solar mission, Aditya L1, is approaching its destination and is set to be injected into its final orbit on the evening of January 6. Launched on September 2, the spacecraft is on track to enter a ‘halo orbit’ around Lagrange Point 1 (L1), one of the five stable points in the Sun-Earth system where gravitational forces are balanced.
Aditya L1 will be positioned at L1, located approximately 1.5 million kilometers from Earth, accounting for just 1% of the total distance between the Earth and the Sun. The L1 point offers a stable vantage point for spacecraft to observe the Sun. The upcoming maneuver on January 6 aims to place the spacecraft into the desired orbit around L1.
“Aditya L1 has already reached the L1 point, and the maneuver (on January 6) will put it in the desired orbit. Without getting into the orbit, the spacecraft will continue to travel towards the Sun,” stated an official from the Indian Space Research Organisation (ISRO).
While Lagrange points are relatively stable, keeping a spacecraft precisely fixed at these points is challenging. Opting for a ‘halo orbit’ allows Aditya L1 to move three-dimensionally, offering diverse perspectives for solar observations. The mission is a significant step for India in advancing solar research and understanding the Sun’s dynamics.
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