LAGRANGIAN L1 POINT
ISRO's Aditya-L1 completes first halo orbit around Sun-Earth L1 point in 178 days
India's first solar mission, Aditya-L1, completed its first halo orbit around the Sun-Earth L1 point, the Indian Space Research Organisation (ISRO) announced. Launched on September 2 last year, the Aditya-L1 spacecraft was inserted into its targeted halo orbit on January 6. It takes 178 days to complete a revolution around the L1 point. Station-keeping manoeuvres on February 22, June 7, and July 2 have maintained its orbit, with the latest manoeuvre ensuring it continues into the second halo orbit path. The mission's complex dynamics and trajectory planning have validated ISRO's in-house flight dynamics software.
ISRO's Aditya-L1 completes first halo orbit around Sun-Earth L1 point
ISRO's URSC validated the flight dynamics software for Aditya-L1 spacecraft, which completed its first halo orbit around the Sun-Earth L1 point in 178 days. The recent manoeuvre guaranteed the seamless continuation of its journey in the second halo orbit, illustrating ISRO's expertise in space exploration.
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ISRO successfully deploys magnetometer boom on board Aditya-L1 spacecraft
ISRO deploys magnetometer boom on Aditya-L1 satellite to measure interplanetary magnetic field. Boom carries high-accuracy fluxgate magnetometer sensors. Mounting at 3 and 6 metres minimises spacecraft's magnetic influence. Boom segments made of carbon fibre reinforced polymer. Articulated boom mechanism allows folding and deploying actions.
ETtech Explainer: Aditya-L1 anticipated to reach Sun-Earth Lagrangian Point on Jan 6, why is this significant?
The Sun-Earth Lagrangian Point L1 is 1.5 million km from Earth, and Aditya L1 was expected to reach its destination after a 125-day journey. It will study the Sun's outer atmosphere without any interference from eclipses or external disruptions.
Aditya-L1 solar probe nears Sun's outer reach, expected arrival on January 6: ISRO
India's Aditya-L1 solar spacecraft, nearing the Lagrangian (L1) point 1.5 million kilometers from Earth, marks a significant stride in space exploration. Isro chairman S Somanath anticipates its arrival on January 6, unveiling its pivotal role in studying the Sun's outer atmosphere, free from eclipses. Aditya-L1's engine firing will stabilize its position, allowing detailed solar event analysis. Isro's vision of an Indian space station further underscores India's ambitious space exploration endeavors.
Solar mission Aditya L1 will reach destination on January 6: ISRO chairman
The mission, the first Indian space-based observatory to study the Sun from a halo orbit L1, was launched by ISRO on September 2 from the Satish Dhawan Space Centre (SDSC) at Sriharikota. "Aditya L1 will enter the L1 point on January 6.
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