TRACKER-1ALPHA
48.8566°N / 2.3522°E
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Official Aditya-L1 patch
Space probes·ISRO

Aditya-L1

ActiveLaunched in 2023·L1 — 1.5M km

India's first solar mission: an observatory orbiting the L1 Lagrange point to study the Sun continuously.

Main objectives
  • Observe the Sun continuously from the L1 Lagrange point.
  • Study the solar corona, the solar wind and flares.
  • Provide early warnings of solar activity to protect satellites.
Did you know?

Aditya ("sun" in Sanskrit) is India's first space observatory dedicated to heliophysics.

Timeline

Sep 02, 2023
Launch

PSLV-XL from the Satish Dhawan Space Centre (Sriharikota).

Jan 06, 2024
L1 orbit insertion

Arrival at the Earth-Sun L1 Lagrange point.

Aditya-L1
Photo of Aditya-L1
Mission data
StatusActive
PositionL1 — 1.5M km
Launched in2023
TargetL1 Lagrange point
Budget0.05B USD

Instruments

[04]
VLC

Visible corona (Visible Emission Line Coronagraph).

SUIT

UV imaging of the solar disk (Solar Ultraviolet Imaging Telescope).

ASPEX

Solar energetic particle analyzer.

MAG

Onboard magnetometer.

Specifications

Mass1,475 kg
OrbitHalo around L1
Distance1.5 million km from Earth

Mission milestones

[03]
  • Milestone
    India's first observatory at L1
    Aditya-L1 joins the flotilla of observatories at the L1 Lagrange point to monitor the Sun without eclipse.
    Jan 06, 2024
  • Milestone
    L1 orbit insertion
    Arrival at the Earth-Sun L1 Lagrange point.
    Jan 06, 2024
  • Milestone
    Launch
    PSLV-XL from the Satish Dhawan Space Centre (Sriharikota).
    Sep 02, 2023

Official sources

ISRO↗