---
title: "Aditya-L1: India's Solar Observatory Mission"
description: "Aditya-L1 is India's first solar observatory mission, launched by ISRO in 2023 to study the Sun from the L1 Lagrange point, enhancing solar research."
url: "https://modeldiplomat.com/learn/glossary/aditya-l1"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- Aditya-L1 is India's first dedicated solar observatory mission, launched by ISRO in 2023 to study the Sun from a halo orbit around the Sun-Earth Lagrange point L1.
- Where is Aditya-L1 positioned and why is this location chosen?
- What is the primary payload aboard Aditya-L1?
- What launch vehicle carried Aditya-L1 and when?
- What scientific problems does Aditya-L1 aim to address?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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## Timeline

1. 2 September 2023

   It was launched on aboard the PSLV-C57 (in its XL configuration) from the Satish Dhawan Space Centre, Sriharikota.

2. 6 January 2024

   ISRO achieved successful insertion into the halo orbit on , making India one of the few nations to operate a dedicated solar observatory alongside NASA, ESA,…

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Example

In September 2023, ISRO launched Aditya-L1 aboard PSLV-C57 from Sriharikota, and on 6 January 2024 successfully inserted it into a halo orbit around the Sun-Earth L1 point.

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