When Does Vega-C | Sentinel-3C & FLEX Launch?

Vega-C | Sentinel-3C & FLEX is scheduled to lift off Tuesday, September 15, 2026 at 01:21 UTC from Ariane Launch Area 1 (ELV). Status: Go for Launch. Live countdown, updated daily as the window shifts.

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. This mission is flown by Avio S.p.A. It is classified as an earth science mission. Liftoff is planned from Ariane Launch Area 1 (ELV) at Guiana Space Centre, French Guiana. Current status from Launch Library: Go for Launch. Launch windows shift often; this page is rebuilt every day with the latest scheduled time.

Vega-C | Sentinel-3C & FLEX is scheduled to lift off on Tuesday, September 15, 2026 at 01:21 UTC. The countdown above updates live, so you always see exactly how many days, hours, and minutes are left.