ISRO's Aditya-L1 completes first halo orbit around Sun-Earth L1 point
Bengaluru (PTI): India’s first solar mission Aditya-L1 spacecraft completed its first halo orbit around the Sun-Earth L1 point on Tuesday, ISRO said.
The space agency said its station-keeping manoeuvre on Tuesday ensured its seamless transition into the second halo orbit.
The Aditya-L1 mission, which is an Indian solar observatory at Lagrangian point L1, was launched on September 2, 2023 and was inserted in its targeted halo orbit on January 6, 2024.
According to ISRO, Aditya-L1 spacecraft in the halo orbit takes 178 days to complete a revolution around the L1 point.
During its travel in the halo orbit, Aditya-L1 spacecraft will be subjected to various perturbing forces that will cause it to depart from the targeted orbit, the space agency said.
"Aditya-L1 underwent two station-keeping manoeuvres on February 22 and June 7, respectively, to maintain this orbit. Today's third station-keeping manoeuvre has ensured that its travel continued in the second halo orbit path around L1,” ISRO said.
The agency explained that Aditya L1's journey around Sun-Earth L1 Lagrangian point involves modeling of complex dynamics.
The understanding of various perturbing forces acting on the spacecraft helped in determining the trajectory accurately and planning precise orbit manoeuvres, it added.
"With today's manoeuvre, the state-of-the-art flight dynamics software developed in-house at URSC-ISRO for the Aditya-L1 missions stands fully validated," ISRO said.
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Four held in Kalaburagi for brutal murder of man
Kalaburagi: Four men have been arrested in Kalaburagi on charge of hacking a man with lethal weapons and pelting stones at him under the limits of Station Bazaar Police Station recently.
According to police sources, Anand Jalak Shinde (34), Ashitosh Jalak Shinde (30), Imran Mehboob Sheikh (28) and Sohaib Anwar Qureshi have been arrested. The men are accused of the brutal murder of Syed Mehboob, a resident of Station Bazaar Upper Line Hamalawadi in the city.
An FIR was filed by the Station Bazaar Police Station based on a complaint given by Syed Ismail, father of the deceased Syed Mehboob.
Following quick probe, the police team successfully arrested the suspects within 24 hours. The arrested men were produced in court and have been sent to judicial custody.
The City Police Commissionerate has appreciated in an official release the police team’s quick solving of the murder case and arrest of the four men accused of murdering Syed Mehboob.
