Aditya L1 Mission: ISRO

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Aditya L1 Mission: ISRO

Today is a very important day for ISRO and the whole of India. Aditya-L1, sent by ISRO under the Solar Mission, will reach its destination L-1 point today i.e. Saturday (January 6, 2024) around 4 pm in the evening. This journey of 15 lakh kilometers towards the Sun, which started from Sriharikota, Andhra Pradesh, will reach its destination on September 2, 2023. This mission of ISRO is being watched with curiosity all over the world, because it has seven payloads, which will conduct a comprehensive study of solar phenomena.

What is ISRO’s Aditya L1 Mission ?

Aditya L1 is the first space-based Indian mission to study the Sun. This is a project run by ISRO to study the Sun. The spacecraft will be placed in a halo orbit around Lagrange point 1 (L1) of the Sun-Earth system, which is about 1.5 million km from Earth. This vehicle will revolve around the Sun in the same relative position and hence can continuously observe the Sun.

What is L-1?

Actually, Lagrange Point or L-1 is the region where gravity between the Earth and the Sun becomes zero or becomes inactive. After Aditya reaches the hello orbit, the Sun can be continuously monitored from there and information related to it can be obtained. According to ISRO, solar activities and its impact on space weather can be better estimated from the Halo Point.

The main scientific objectives of Aditya-L1 are to understand the origin, dynamics and propagation of coronal mass ejections and to help solve the coronal heating problem.

Aditya L1 Mission Instruments

TypeSl. No.PayloadCapability
Remote Sensing Payloads1Visible Emission Line Coronagraph(VELC)Corona/Imaging & Spectroscopy
2Solar Ultraviolet Imaging Telescope (SUIT)Photosphere and Chromosphere Imaging- Narrow & Broadband
3Solar Low Energy X-ray Spectrometer (SoLEXS)Soft X-ray spectrometer: Sun-as-a-star observation
4High Energy L1 Orbiting X-ray Spectrometer(HEL1OS)Hard X-ray spectrometer: Sun-as-a-star observation
In-situ Payloads
5Aditya Solar wind Particle Experiment(ASPEX)Solar wind/Particle Analyzer Protons & Heavier Ions with directions
6Plasma Analyser Package For Aditya (PAPA)Solar wind/Particle Analyzer Electrons & Heavier Ions with directions
7Advanced Tri-axial High Resolution Digital MagnetometersIn-situ magnetic field (Bx, By and Bz).

Aditya L1 Mission; ISRO : Live Updates
After the historic landing of its Chandrayaan-3 on the south pole of the Moon, ISRO has started the countdown for its new mission. This mission is – Aditya L1, which will study the Sun.

Aditya L1 : Live Telecast
Do watch the live telecast of the launch of Aditya L1 on Saturday, 2 September 2023 at 11:20 am on ISRO Website (, ISRO YouTube Channel (@isroofficial5866) or DD National. Encourage your scientists. Along with this, you can also watch it live on our website ‘Ultranews TV’ (

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