Padside

PSLV-XL | EOS-09 (RISAT-1B)

Indian Space Research Organization · PSLV XL · Satish Dhawan Space Centre First Launch Pad, Satish Dhawan Space Centre, India

Indian Space Research Organization's 95th launch · 2nd this year · humanity's 6,957th orbital launch attempt

T− --:--:--May 18, 2025 · 00:29 UTCAdd to calendar
Failure

Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.

Window: May 18, 00:00 – May 18, 04:00 UTC

Flight preview

EOS-09 (RISAT-1B)

RISAT-1B is the third in the series of radar imaging RISAT-1 satellites of ISRO using an active C-band SAR (Synthetic Aperture Radar), providing all-weather as well as the day-and-night SAR observation capability in applications such as agriculture, forestry, soil moisture, geology, sea ice, coastal monitoring, object identification, and flood monitoring, in addition to military surveillance. The RISAT-1 series is developed, manufactured and integrated by ISRO. The 3-axis stabilized spacecraft bus consists of a hexagonal prism shape build around a central cylinder. Most of the spacecraft subsystems and the payload are integrated in the prism structure and the central cylinder. The solar panels and some subsystems are mounted on the cube-shaped section of the spacecraft.

Government/Top Secret · Sun-Synchronous Orbit (SSO)

Booster

No booster details available.

Watch

Flight timeline

  1. T−3SRCT Ignition
  2. P0DIgnition
  3. T+0.42SBooster Ignition
  4. T+0.62SBooster Ignition
  5. T+25SBooster Ignition
  6. T+1M9.9SBooster Separation
  7. T+1M10.1SBooster Separation
  8. T+1M32SBooster Separation
  9. T+1M51.64SStage 2 Separation
  10. T+1M51.84SSES
  11. T+2M32.78SFairing Separation
  12. T+2M37.78SCLG Start
  13. T+4M24.34SStage 3 Separation
  14. T+4M25.54SStage 3 Ignition
  15. T+8M13SKick Stage Separation
  16. T+8M23.4SKick Stage Ignition
  17. T+16M52.24SKick Stage Cut-off
  18. T+17M39.24SPayload Separation
  19. T+37M11.52SKick Stage Ignition
  20. T+45M56.78SKick Stage Cut-off
  21. T+1H22M32.52SKick Stage Ignition
  22. T+1H31M2.04SKick Stage Cut-off
  23. T+1H32M52.04SMON Passivation
  24. T+1H41M52.04SMMH Passivation

Updates

  • Launch failure.

    Cosmic_Penguin · 5/18/2025 · source

  • Liftoff.

    Cosmic_Penguin · 5/18/2025 · source

  • Official Webcast by ISRO Official has started

    LL2 · 5/18/2025 · source

  • Adjusted T-0.

    Cosmic_Penguin · 5/15/2025 · source

  • Added launch time.

    Cosmic_Penguin · 5/8/2025 · source

  • Added launch window, NET May 18.

    Cosmic_Penguin · 5/1/2025 · source

  • NET May 19.

    Cosmic_Penguin · 4/29/2025 · source

  • Added launch.

    Cosmic_Penguin · 4/18/2025 · source

Pad — Satish Dhawan Space Centre First Launch Pad

Local pad time: May 18, 5:59 AM GMT+5:30

64 launches from this pad · 104 from Satish Dhawan Space Centre, India

Map of Satish Dhawan Space Centre First Launch PadOpen in maps