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Sentinel-3C & FLEX

Success Launch Successful Avio S.p.A, Vega-C

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Mission: Sentinel-3C & FLEX

Earth Science · Sun-Synchronous Orbit

Sentinel-3C is the third satellite in the Sentinel-3 constellation, which provides high-accuracy optical, radar and altimetry data for marine and land services. The Fluorescence Explorer (FLEX) satellite is a part of ESA's Earth Explorer program. The satellite will map vegetation fluorescence to quantify photosynthetic activity.

Customers: European Space Agency

Where to watch

Official Webcast Vega C | Flight VV30 | Sentinel-3C - FLEX | Avio Avio SpA · English Official Webcast FLEX and Sentinel-3C launch (Official broadcast) European Space Agency, ESA · English Unofficial Webcast Vega C launches Sentinel-3C & FLEX NASASpaceflight · English

Timeline

  1. T+00:00:00 Liftoff
  2. T+00:02:27 Stage 2 Separation
  3. T+00:02:28 SES
  4. T+00:04:32 Stage 3 Separation
  5. T+00:04:39 Stage 3 Ignition
  6. T+00:04:44 Fairing Separation
  7. T+00:07:11 Kick Stage Separation
  8. T+00:08:23 Kick Stage Ignition
  9. T+00:17:06 Kick Stage Cut-off
  10. T+00:55:29 Kick Stage Ignition
  11. T+00:58:30 Kick Stage Cut-off
  12. T+01:00:50 Payload Separation
  13. T+01:46:19 Kick Stage Ignition
  14. T+01:46:49 Kick Stage Cut-off
  15. T+01:54:32 Kick Stage Ignition
  16. T+01:54:58 Kick Stage Cut-off
  17. T+01:56:03 Payload Separation
  18. T+02:23:32 Kick Stage Ignition
  19. T+02:24:58 Kick Stage Cut-off

Updates

  • Both satellites successfully deployed and signals acquired from both. source
  • Liftoff. source
  • Official Webcast by Avio SpA has started source
  • GO for launch on September 15 UTC. source
  • NET September 11 source
  • NET September 9. source
  • NET September 1st, together with FLEX. source
  • NET October 2026 source
  • NET September 2026. (see 02:17:55 mark) source
  • NET June 2026 source
  • NET 2026 source
  • NET Q1 2025. source
  • Adding launch NET October 2024 source