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Aditya-L1

Aditya-L1
Aditya-L1 in preflight
Mission typeSolar observation
OperatorISRO
COSPAR ID2023-132A Edit this at Wikidata
SATCAT no.57754Edit this on Wikidata
Websitewww.isro.gov.in/Aditya_L1.html
Mission duration5.2 years (planned)[1]
8 months and 27 days (elapsed)
Spacecraft properties
SpacecraftPSLV-XL/C-57
Spacecraft typePSLV
BusI-1K[2]
ManufacturerISRO / IUCAA / IIA
Payload mass1,500 kg (3,300 lb)[1]
Start of mission
Launch date2 September 2023 (2023-09-02), 11:50 IST (06:20 UTC)[3][4]
RocketPSLV-XL C57
Launch siteSatish Dhawan Space Centre
ContractorISRO
Orbital parameters
Reference systemSun–Earth L1 orbit
RegimeHalo orbit
Period177.86 days[5]
Epoch6 January 2024[6]

Mission Insignia  

Aditya-L1 (/aːd̪it̪jə/)[a] (from Sanskrit: Aditya, "Sun" and L1, "Lagrange point 1") is a coronagraphy spacecraft for studying the solar atmosphere, designed and developed by the Indian Space Research Organisation (ISRO) and various other Indian Space Research Institutes.[1] It is orbiting at about 1.5 million km from Earth in a halo orbit around the Lagrange point 1 (L1) between the Earth and the Sun, where it will study the solar atmosphere, solar magnetic storms, and their impact on the environment around the Earth.[7]

It is the first Indian mission dedicated to observe the Sun. Nigar Shaji is the project's director.[8][9][10][11] Aditya-L1 was launched aboard the PSLV C57 at 11:50 IST on 2 September 2023,[12][3][4] It successfully achieved its intended orbit nearly an hour later, and separated from its fourth stage at 12:57 IST.[13] It was inserted at the L1 point on 6 January 2024, at 4:17 pm IST.[14]

  1. ^ a b c Somasundaram, Seetha; Megala, S. (25 August 2017). "Aditya-L1 mission" (PDF). Current Science. 113 (4): 610. Bibcode:2017CSci..113..610S. doi:10.18520/cs/v113/i04/610-612. Archived from the original (PDF) on 25 August 2017. Retrieved 25 October 2023.
  2. ^ Nowakowski, Tomas (4 February 2016). "India's first solar mission to be launched in 2019–20". Space Flight Insider. Archived from the original on 3 September 2023. Retrieved 3 September 2023.
  3. ^ a b "Moon mission done, ISRO aims for the Sun with Aditya-L1 launch on September 2". The Indian Express. 28 August 2023. Archived from the original on 28 August 2023. Retrieved 28 August 2023.
  4. ^ a b Pandey, Geeta (2 September 2023). "Aditya-L1: India launches its first mission to Sun". BBC News. Archived from the original on 2 September 2023. Retrieved 2 September 2023.
  5. ^ Sreekumar, P. (19 June 2019). "Indian Space Science & Exploration : Global Perspective" (PDF). UNOOSA. p. 8. Archived (PDF) from the original on 30 June 2019. Retrieved 30 June 2019.
  6. ^ Gupta, Shobhit (6 January 2024). "Aditya L1 LIVE: ISRO's first Sun mission successfully injected into final orbit". Hindustan Times. Retrieved 6 January 2024.
  7. ^ "Aditya – L1 First Indian mission to study the Sun". ISRO. Archived from the original on 3 March 2018. Retrieved 1 June 2017.
  8. ^ "Meet The Project Director Of Ambitious Mission Aditya-L1 | Nigar Shaji from Tamil Nadu". TimesNow. 2 September 2023. Archived from the original on 2 September 2023. Retrieved 2 September 2023.
  9. ^ "ISROs Aditya-L1 Solar Mission: Nigar Shaji Addresses After Successful Launch Of First Sun Mission". Zee News. Archived from the original on 2 September 2023. Retrieved 2 September 2023.
  10. ^ "Meet Nigar Shaji from TN's Tenkasi, Aditya-L1 mission project director". The New Indian Express. Archived from the original on 2 September 2023. Retrieved 2 September 2023.
  11. ^ "Meet Nigar Shaji, The Project Director Of India's First Sun Mission: 5 Points". NDTV.com. Archived from the original on 2 September 2023. Retrieved 2 September 2023.
  12. ^ ISRO [@isro] (1 September 2023). "PSLV-C57/Aditya-L1 Mission: The 23-hour 40-minute countdown leading to the launch at 11:50 Hrs. IST on September 2, 2023, has commended today at 12:10 Hrs. The launch can be watched LIVE on ISRO Website https://isro.gov.in Facebook https://facebook.com/ISRO YouTube https://youtube.com/watch?v=_IcgGYZTXQw… DD National TV channel from 11:20 Hrs. IST" (Tweet) – via Twitter.
  13. ^ "Aditya L1 Mission: Aditya L1 Launch LIVE Updates: Aditya L1 spacecraft successfully separated from PSLV rocket, now en route to Sun-Earth L1 point. ISRO says mission accomplished". The Economic Times. 2 September 2023. Archived from the original on 3 September 2023. Retrieved 2 September 2023.
  14. ^ "Aditya-L1 Mission Live Updates: Isro successfully injects Aditya-L1, designed to study Sun, in halo orbit". The Times of India. 6 January 2024. Retrieved 6 January 2024.


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