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Launch SuccessfulIndian Space Research Organization

PSLV-XL: EOS-4 (RISAT-1A)

EOS-4 (also known by the old designation RISAT 1A) is a radar remote sensing satellite.

Monday, 14 February 2022
PSLV-XL: EOS-4 (RISAT-1A)

Mission Data

Indian Space Research Organization
🇮🇳Indian Space Research OrganizationEst. 1969
Launch VehiclePSLV XL
Vehicle FamilyPSLV
Vehicle Record25 of 27 launches (92.6%)
Provider TypeGovernment
Agency Record86 successes / 15 failures (85%)
Success Streak2 consecutive
Mission TypeEarth Science
Target OrbitSun-Synchronous Orbit
Launch PadSatish Dhawan Space Centre First Launch Pad
Location🇮🇳 Satish Dhawan Space Centre, India IND
Orbital Launches This Year#14
Agency Launches This Year#1
Launches From This Pad64
Launches From This Site106
Status Note

The launch vehicle successfully inserted its payload(s) into the target orbit(s).

About PSLV XL

PSLV-XL is the upgraded version of Polar Satellite Launch Vehicle in its standard configuration boosted by more powerful, stretched strap-on boosters with 12 tonne propellant load. Weighing 320t at lift-off, the vehicle uses larger strap-on motors (PSOM-XL or S12) to achieve higher payload capability. On 29 December 2005, ISRO successfully tested the improved version of strap-on booster for the PSLV. The first use of PSLV-XL was the launch of Chandrayaan-1 by PSLV C11. The payload capability for this variant is 1,800 kg to SSO.

Launch updates

  1. Launch success has been declared during the webcast

  2. Liftoff

  3. Launch date and time confirmed by ISRO.

    Source ↗

  4. Targeting February 14

    Source ↗

  5. Updating launch date per NOTAM (FIMM A0175/21)

  6. Moving to end of year due to reports of all ISRO launches slipping into 2022, TBD.

    Source ↗

Launch Site

Satish Dhawan Space Centre First Launch Pad · 13.7330°N 80.2350°E

Launch data from Launch Library 2 by The Space Devs.