The mission was launched by PLSV-C57 to observe the Sun from a halo orbit.
- It was inserted in its targeted halo orbit in January 2024.
About Aditya-L1 Mission
- Objectives: to understand:
- Coronal Heating and Solar Wind Acceleration;
- Initiation of Coronal Mass Ejection (CME), flares and near-earth space weather;
- Solar wind distribution and temperature anisotropy etc.
- Placed at Lagrangian point L1: Continuously viewing the Sun without any occultation/eclipses, reduced fuel consumption etc. are the key advantages of L1.
- 7 payloads: Four payloads directly view the Sun and three payloads carry out in-situ studies of particles and fields at L1, thus providing insights into the propagatory effect of solar dynamics in interplanetary medium.
- Lifespan: 5 years
- Achievements:
- Captured images of Sun through payloads SUIT and VELC.
- Completion of First Halo Orbit in July.
- Aditya-L1 in the Halo orbit takes 178 days to complete a revolution around the L1 point.
- Full validation for state-of-the-art flight dynamics software developed by U R Rao Satellite Centre (URSC) of ISRO for the Aditya-L1 missions.
Other Solar Missions
- Hinotori (ASTRO-A) launched by Japan in 1980s.
- Parker Solar Probe launched by US in 2018 (first spacecraft to “touch” the sun)
- Solar and Heliospheric Observatory Satellite (SOHO) mission launched Jointly by NASA-ESA (longest-lived Sun-watching satellite).
About Lagrange points
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