Aditya L1 highlights: ‘Looking forward to lot of scientific outcomes,’ says ISRO chairman on maiden solar mission
Aditya L1 highlights: Launched on Sep 2 last year, the spacecraft has undergone four earth-bound manoeuvres & a Trans-Lagrangean Point 1 Insertion manoeuvre.
Aditya L1 highlights: Aditya L1, the Indian Space Research Organisation's (ISRO) maiden solar mission, successfully entered its final manoeuvre to reach its destination and injected into its final orbit today. ISRO chief S Somanath told news agency ANI on Monday “Aditya-L1 is going to reach its L1 point on January 6 at 4pm and we are going to do the final manoeuvre to keep it there.”...Read More
Launched on September 2 last year, the spacecraft has undergone four earth-bound manoeuvres and a Trans-Lagrangean Point 1 Insertion (TL1I) manoeuvres, all successfully.
The mission aims to observe the Sun's corona and understand its extreme heat from a halo orbit around the first Sun-Earth Lagrangian point (L1), which is located roughly 1.5 million km from the Earth.
The Lagrange Point is a unique region where gravitational forces between the Earth and the Sun reach equilibrium. While absolute neutralization is not achievable due to the influence of other celestial bodies such as the Moon, Mars, and Venus, the L1 point provides a stable position for observational purposes.
NASA Scientist says ‘India is now in most areas of scientific significance’ after Aditya L1 milestone
On ISRO's Solar Mission Aditya-L1 entering Halo Orbit, NASA Scientist Dr Amitabha Ghosh says, “India is right now in most of the areas where it's scientifically important. And then there is 'Gaganyaan' which is the human space flight part, that is in the works right now. So been a tremendous strike for the last 20 years. So going from, not having a planetary science program to where we stand today, and where we stand after the success of Aditya. It's been a very remarkable journey.”
(ANI)
BJP's state president in Rajasthan CP Joshi lauds country's maiden solar mission
“Today, India and our scientists have achieved a huge success. I express my gratitude to everyone. On behalf of the people of Rajasthan, I thank Indian scientists for their efforts,” Joshi told PTI.
‘Testament to growing space prowess of our country’: Former President Ram Nath Kovind hails Aditya L1 mission
“ISRO achieves another milestone by successfully placing India's maiden solar probe Aditya-L1 in Halo orbit near Lagrange Point L1, to study the Sun. This achievement is testament to growing space prowess of our country,” Ram Nath Kovind wrote on X.
‘Exceptional achievement’: Union minister Smriti Irani hails successful journey of Aditya-L1
Union minister Smriti Irani is the latest among leaders praising the country and ISRO on success of Aditya L1. Taking to X, Irani wrote, “Celebrating a major leap in space exploration, India proudly announces the successful journey of Aditya-L1, the first solar observatory. A tribute to the perseverance of our brilliant scientists in conquering advanced space missions. Congratulations on this exceptional achievement.”
'Another milestone in Bharat's journey through space': Home minister Amit Shah on Aditya-L1
Union Home Minister Amit Shah on Saturday hailed the country's first solar mission craft Aditya-L1 reaching its destination, the L1 point, and said it was yet another milestone in Bharat's journey through space.
The Aditya-L1 reached its destination, the L1 point, about 1.5 million kilometres from Earth from where it will orbit the Sun and study our star's wonders, uninterrupted by eclipses and occultation.
"Another milestone in Bharat's journey through space!! Our first solar observatory #AdityaL1 reaches its destination in the space. It is a momentous event in history that takes us closer to our civilizational goal of achieving human welfare through excellence in science and technology," Shah wrote on X.
‘Not complex but challenging mission’, says ISRO chairman on Aditya L1
Speaking to reporters, ISRO Chairman Somanath on Saturday said that the Aditya L1 mission was rather complex and not challenging. “It was a complex mission, I won't say challenging mission. Challenges are something which we love, complexities are something which we have to overcome. Today, we have overcome the complexity, and we were able to achieve that very precisely…” he said.
Aditya L1 spacecraft successfully enters final Halo orbit. What next?
The Indian Space Research Organisation (ISRO) on Saturday successfully placed Adiyta-L1, the first space-based Indian observatory to study the Sun, into its destination orbit Lagrange Point-1 - which is around 1.5 million kilometers from the Earth. According to ISRO officials, a satellite in a Halo orbit around the L1 point has the major advantage of continuously viewing the Sun without any occultations or eclipses. Read More
Aditya L1 LIVE: 'Looking forward to lot of scientific outcomes', says ISRO chairman on maiden solar mission
Speaking about the country's maiden solar mission Aditya L1, ISRO Chairman Somanath said, "Today's event was only placing the Aditya-L1 in the precise Halo orbit. So it was moving towards a high orbit, but we had to do a little bit of corrections... So right now, in our calculation, it is at the right place. But we are going to monitor it for the next few hours to see whether it is at the right place…So we look forward to a lot of scientific outcomes in the coming days. At least five years of life is guaranteed with the fuel left out in the satellite..."
Aditya L1 LIVE: ISRO releases official statement on successful solar mission
The ISRO on Saturday released an official statement on its successful solar mission. “Halo-Orbit Insertion (HOI) of its solar observatory spacecraft, Aditya-L1 was accomplished at 16.00 Hrs (approx) on January 6, 2024 (IST). The final phase of the maneuver involved firing of control engines for a short duration,” ISRO said in its statement.
Aditya L1 LIVE: Internet floods with congratulatory messages for ISRO's maiden solar mission post
Internet flooded with messages hailing ISRO's Aditya L1 mission post its successful entering into Halo orbit.
‘Grand feat accomplished by ISRO…’ President Murmu praises Aditya L1 mission
‘I have been a member of the Space Commission… it’s a great feat': EAM Jiahankar hails Aditya L1's success
"I I think it's a great feat... I have seen the Space, program for many years. I have been a member of the Space Commission. I think a moment of great pride for us just like the Chandrayaan program was...": EAM Jaishankar said lauding the Aditya L1 mission.
Space Scientist & Astronomer RC Kapoor speaks on why Aditya L1 was placed in the Halo orbit: ‘There is a solar exclusion zone which is about 5 degrees. So we placed our satellite in Halo orbit…’
“There is a solar exclusion zone which is about 5 degrees. So we placed our satellite in Halo orbit. This halo orbit is perpendicular to the line of sight towards the sun. So in moving in that orbit, our satellite is always looking at the sun. So 24 hours a day and all the days of the year, it is going to observe the Sun. For ISRO reaching L1 and placing a satellite in an orbit around it is remarkable. It's for the first time. The second thing is, for all Indian institutions that have payloads on Aditya L1...”: Space Scientist & Astronomer RC Kapoor
Dr Jitendra Singh praised the Aditya-L1 mission. Here's what he said.
“This also becomes significant from India's point of view that now we have a huge, huge stake in space. We have a number of satellites operating and therefore it is imperative for us to discover the various phenomena emanating from the Sun - the magnetic fields, the occurrence of solar storms. Now, what Aditya L1 is going to feed us with, is something that the rest of the world will also be looking forward to”, said Jitendra Singh.
Director of the Indian Institute of Astrophysics Annapurni Subramaniam hails Aditya L1 mission: ‘Now the mission will start its transition from the cruise phase to the orbit phase’
Speaking to PTI about Aditya L1 mission director of the Indian Institute of Astrophysics Annapurni Subramaniam said, “The Halo Orbit Insertion has been done and it is a very important moment in the journey of Aditya L1. Now the mission will start its transition from the cruise phase to the orbit phase. In this phase we will be able to do all the science operations.”
‘Aditya L1 has reached the Lagrangian point. #ISRO has achieved it with great precision, and past experiences…’ says former ISRO chairman G Madhavan Nair
Speaking to news agency PTI former ISRO chairman G Madhavan Nair lauded ISRO for successfully entering the Langrange point. He said, “The Aditya L1 has reached the Lagrangian point. #ISRO has achieved it with great precision, and past experiences have surely helped them achieve this. This mission will provide input for understanding the basic phenomenon occurring on the Sun’s surface. It will help in predicting severe solar winds.”
PM Modi says ‘yet another landmark’ after Aditya L1 parked in orbit at Lagrange Point 1 | Read
Prime Minister Narendra Modi on Saturday took to social platform X to congratulate the country after Aditya L1 parked at Lagrange Point 1 to study Sun. Read More
‘Aditya-L1 has successfully entered the Halo orbit…’: ISRO posts on X
I join nation in applauding extraordinary feat; we'll continue to pursue new frontiers of science: PM Modi on Aditya L1
I join nation in applauding extraordinary feat; we'll continue to pursue new frontiers of science: PM Modi on Aditya L-1.
Dr Jitendra Singh hails Aditya L1's success
Union Minister of State Science & Technology Dr Jitendra Singh tweets, "What a glorious turn of year for Bharat. Under the visionary leadership of PM Modi, yet another success story scripted by Team ISRO. Aditya L1 reaches its final orbit to discover the mysteries of the Sun-Earth connection."
The Sun is a very dynamic star that extends much beyond what we see: ISRO
“The Sun is a very dynamic star that extends much beyond what we see. It shows several eruptive phenomena and releases immense amounts of energy in the solar system. If such explosive solar phenomena is directed towards the earth, it could cause various types of disturbances in the near earth space environment,” said ISRO.
PM Modi congratulates ISRO on Aditya L1's success
ISRO's first Sun mission successfuly injected into final orbit
ISRO's first Sun mission successfuly injected into final orbit
MAG payload is capable of measuring interplanetary magnetic fields at the L1 point
Magnetometer payload is capable of measuring interplanetary magnetic fields at the L1 point. The payload is developed at Laboratory for Electro Optics Systems, Bengaluru.
What next for Aditya L1
Aditya-L1 is anticipated to remain for the next five years. Situated at a distance of 1.5 million km from Earth, the Aditya-L1 satellite, launched from Sriharikota on September 2, will execute a crucial manoeuvre upon reaching L1.
How Aditya-L1 is made?
The seven payloads of Aditya L1 are indigenously developed by different laboratories in the country. Its VELC instrument is made at the Indian Institute of Astrophysics, Bangalore; SUIT instrument at Inter-University Centre for Astronomy and Astrophysics, Pune; ASPEX instrument at Physical Research Laboratory, Ahmedabad; PAPA payload at Space Physics Laboratory, Vikram Sarabhai Space Centre, Thiruvananthapuram; SoLEXS and HEL1OS payloads at U R Rao Satellite Centre, Bangalore, and the Magnetometer payload at the Laboratory for Electro Optics Systems, Bangalore.
When was Aditya L1 launched?
The Polar Satellite Launch Vehicle (PSLV-C57) launched the Aditya-L1 spacecraft from the second launch pad of Satish Dhawan Space Centre (SDSC), Sriharikota, on September 2 last year. After a flight duration of 63 minutes and 20 seconds, it was successfully injected into an elliptical orbit of 235x19500 km around the Earth. The spacecraft underwent a series of maneuvers thereafter and headed Sun-Earth Lagrange Point 1(L1), having escaped the Earth's sphere of influence.
SoLEXS & HEL1OS payloads to study X-ray flares from the Sun
Solar Low Energy X-ray Spectrometer and High Energy L1 Orbiting X-ray Spectrometer are designed to study the X-ray flares from the Sun over a wide X-ray energy range. Both these payloads are developed at U R Rao Satellite Centre, Bengaluru.
Know about payload SUIT
Solar Ultra-violet Imaging Telescope (SUIT) to image the Solar Photosphere and Chromosphere in near Ultra-violet (UV) and, to measure the solar irradiance variations in near UV. The payload is developed by Inter University Centre for Astronomy and Astrophysics, Pune in close collaboration with ISRO.
VELC is one of the seven payloads that Aditya-L1 carries
Visible Emission Line Coronagraph (VELC) is designed to study solar corona and dynamics of coronal mass ejections. The payload is developed by Indian Institute of Astrophysics, Bengaluru in close collaboration with ISRO.
Less than 15 minutes for Aditya-L1 to reach final destination Halo-Orbit
The Indian Space Research Organisation (ISRO)'s ambitious debut mission to study the Sun, Aditya L1, will reach its final destination on Saturday at 4pm. ISRO will perform the final manoeuvre on Saturday to inject Aditya-L1 spacecraft -- the first space-based Indian observatory to study the Sun.
Director of Space Applications Centre, Nilesh M Desai speaks on Aditya L1 mission
Why is a direct flyby of Sun challenging?
“It takes 55 times more energy to go to the Sun than it does to go to Mars,” said a NASA report.
Our planet moves swiftly, approximately 1,07,826 km, predominantly sideways compared to the Sun. To reach the Sun, cancelling this sideways motion is crucial, the report added.
Has any probe ‘touched’ the Sun?
In December 2021, the National Aeronautics and Space Administration or NASA’s Parker Solar Probe achieved the unprecedented feat of flying by around the Sun.
This marked the first time in history that a spacecraft using other celestial bodies navigated through the Sun's upper atmosphere, the corona, collecting samples of particles and magnetic fields. The Parker Probe ventured to a distance of approximately 78 lakh km from the Sun's surface during this groundbreaking mission.
ISRO’s Aditya L1 going to Sun? Know why direct solar flyby mission from Earth is so tough
The Indian Space Research Organisation (ISRO) is scheduled to carry out a key operation to switch on Aditya L1’s engine on Saturday. Aditya L1 will not land on the Sun. Instead, it will revolve at the first Lagrange Point in the Earth-Sun system. This point is located 15 lakh km away from Earth. Remarkably, the 15 lakh km distance represents only 1 per cent of the total 15 crore km separation between Earth and the Sun.
Will ISRO's Aditya L1 touch the Sun?
Will Aditya L1 land on the Sun? No. Unlike Chandrayaan 3, where the Vikram lander, with Pragyan rover inside, softly touched down near the lunar south pole, the solar probe will instead be positioned at the first Lagrange point in the Earth-Sun system.
What's next for Aditya L1?
The upcoming manoeuvre to bind Aditya-L1 to a halo orbit around L1 signifies a critical juncture in the mission.
As the spacecraft begins its observational journey, scientists eagerly anticipate groundbreaking findings that will contribute significantly to our understanding of the Sun and its influence on space weather.
Aditya-L1's mission is poised to mark India's enduring presence in the realm of space-based solar observation, offering a wealth of data for future scientific endeavours and space exploration.
The halo orbit
Aditya-L1 is poised to enter a halo orbit around L1, strategically positioned approximately 1.5 million kilometres from Earth. This unique orbital configuration offers uninterrupted visibility of the Sun, devoid of any occultations or eclipses, providing a real-time advantage in observing solar activities and their impact on space weather.
Aditya-L1's payloads
Aditya-L1 carries seven payloads designed to observe the photosphere, chromosphere, and the outermost layers of the Sun, known as the corona. These payloads employ a combination of electromagnetic particle and magnetic field detectors, offering a comprehensive study of solar dynamics.
The Aditya-L1 spacecraft will be pushed into L1 orbit approx 1.5 million km away from Earth
The Aditya-L1 spacecraft will be pushed into its designated orbit approximately 1.5 million kilometres away from Earth.
ISRO's first Sun mission Aditya-L1 to enter final orbit today: What we know far
The Indian Space Research Organisation (ISRO) is set to execute the final manoeuvre on Saturday for India's first solar mission Aditya-L1. This landmark mission marks India's foray into space-based solar observation, positioning the spacecraft at a crucial vantage point in the Sun-Earth system. Dig deeper
6 things to know about ISRO's Aditya L1 mission
Here are the 6 things to know about ISRO's Aditya L1 mission.
ISRO's major announcement on ‘Aditya-L1’ mission and Indian space station
India's first solar mission Aditya-L1 will reach its destination – the Lagrangian point (L1) – on January 6, Indian Space Research Organisation (ISRO) chairperson S Somanath said.
Charudatta Pulliwar on ISRO's Aditya-L1 to enter halo orbit
On ISRO's Aditya-L1 to enter halo orbit today, Charudatta Pulliwar, Education Officer, Raman Science Centre & Planetarium says, "It is a big thing from our country's point of view. ISRO will place the Aditya-L1 solar observatory into the halo orbit at 5 pm today. It will share information about the Sun's environment and dynamics with the base station for the next 5 years. This information will be important not only for India but for the entire world..."
When will Aditya L1 enter the halo orbit?
"This manoeuvre (at around 4 pm on Saturday) will bind the Aditya-L1 to a halo orbit around L1. If we don't do this, there is a possibility that it will continue its journey, maybe towards the Sun," an ISRO official told PTI on Friday.
Will ISRO's Aditya L1 touch the Sun? No. Which solar probe has come closest
The Indian Space Research Organisation (ISRO) has announced that preparations for the launch of Aditya L1 are progressing smoothly, and everything is set for liftoff today. In a release featuring pictures of the launch rehearsal, the Indian space agency informed that the Polar Satellite Launch Vehicle (PSLV) has completed its internal checks and is fully prepared for its 59th mission – to deploy India's inaugural solar mission into a low earth orbit. Read more
Interview | 'Aditya L1 won't crash-land but… ': Expert on challenges in entering final orbit
The Indian Space Research Organisation is set to execute a key manoeuvre on Saturday, where it will command thrusters to fire and position the Aditya L1 spacecraft, India's first space-based solar observatory, into its designated orbit approximately 15 lakh kilometres away from Earth. HT Digital spoke to Manish Purohit, a former ISRO scientist and founder of NIMBUS Education, to understand the intricate details of the Sun mission. Dig deeper
Aditya L1’s 127 days journey into the space: A detailed timeline
• January 6: ISRO has planned final manoeuver to insert Aditya L1 in the halo orbit.
• December 8: In-orbit health status check of Plasma Analyser Package for Aditya (PAPA). SUIT payload captures full-disk images of the Sun in near ultraviolet wavelengths.
• December 1: Solar Wind Ion Spectrometer (SWIS) in the Aditya Solar Wind Particle Experiment (ASPEX) payload becomes operational.
• November 7: HELIOS captures the first High-Energy X-ray glimpse of Solar Flares.
• October 8: Trajectory Correction Manoeuver (TCM) performed to ensure the spacecraft is on its intended path towards Halo orbit insertion around L1.
• September 30: Spacecraft escapes Earth's influence, en route to Sun-Earth Lagrange Point 1 (L1).
• September 25: Assessment of space situation around Sun-Earth Lagrange Point L1.
• September 19: Spacecraft travels to Sun-Earth L1 point. Commencement of scientific data collection.
• September 18: Fourth Earth-bound manoeuver (EBN#4) performed successfully, achieving a new orbit of 256 km x 121973 km.
• September 10: Third Earth-bound manoeuver (EBN#3) performed successfully, attaining a new orbit of 296 km x 71767 km.
• September 05: Second Earth-bound manoeuver (EBN#2) performed successfully, achieving a new orbit of 282 km x 40225 km.
• September 03: First Earth-bound manoeuver (EBN#1) performed successfully, placing the satellite in a new orbit of 245 km x 22459 km.
• September 02: India's first solar observatory, Aditya-L1, begins its journey to the Sun-Earth L1 point, placed precisely into its intended orbit by the successful launch of PSLV-C57.
ISRO gears up to put Aditya-L1 spacecraft in its final destination orbit today
ISRO has geared up to perform a crucial manoeuvre on Saturday to put Aditya-L1 spacecraft -- the first space-based Indian observatory to study the Sun -- into its final destination orbit, some 1.5 million kilometres from the Earth.
According to ISRO officials, the spacecraft will be placed in a halo orbit around Lagrange point 1 (L1) of the Sun-Earth system, about 1.5 million km from the Earth. The L1 point is about one per cent of the total distance between the Earth and the Sun.
What are objectives of Aditya L1?
The major science objectives of the Aditya L1 mission are:
• Study of the Solar upper atmospheric (chromosphere and corona) dynamics.
• Study of chromospheric and coronal heating, physics of the partially ionised plasma, initiation of the coronal mass ejections, and flares.
• Observe the in-situ particle and plasma environment, providing data for the study of particle dynamics from the Sun.
• Physics of the solar corona and its heating mechanism.
• Diagnostics of the coronal and coronal loops plasma: Temperature, velocity and density.
• Development, dynamics and origin of coronal mass ejections (CMEs).
• Identify the sequence of processes that occur at multiple layers (chromosphere, base and extended corona) which eventually leads to solar eruptive events.
• Magnetic field topology and magnetic field measurements in the solar corona.
