Vega-C | Sentinel-3C & FLEX
The Fluorescence Explorer (FLEX) satellite is a part of ESA's Earth Explorer program. The satellite will map vegetation fluorescence to quantify photosynthetic activity. From Guiana Space Centre, French Guiana.
Countdown Timer - Vega-C | Sentinel-3C & FLEX
Frequently Asked Questions
There are exactly 46 days left until Vega-C | Sentinel-3C & FLEX, which is 1103 hours or 66157 minutes.
Vega-C | Sentinel-3C & FLEX will take place on Tuesday, September 15, 2026 at 01:21 AM.
Use our real-time countdown to precisely track the time remaining until Vega-C | Sentinel-3C & FLEX.
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Juice Earth Flyby
Third flyby of ESA's Jupiter Icy Moons Explorer (Juice) mission on its way to the Jovian system. Location: Earth.

Solar Orbiter Venus Flyby
Solar Orbiter, a partnership between ESA and NASA, will perform a gravity assist maneuver with Venus on December 24, 2026. Throughout its mission it also makes repeated gravity assist flybys of Venus to get closer to the Sun, and to change its orbital inclination, boosting it out of the ecliptic plane, to get the best – and first – views of the Sun’s poles. Location: Venus.

Europa Clipper Earth Flyby
NASA’s Europa Clipper will fly by Earth for a second and final gravity assist on its way to Jupiter. Location: Earth.

SNC-1 Dream Chaser Landing
The Sierra Nevada Corporation SNC-1 Dream Chaser will land autonomously at the Launch and Landing Facility of Kennedy Space Center. Location: Kennedy Space Center, FL, USA.

Total Solar Eclipse in Europe
On 12 August 2026, a solar eclipse will be visible across parts of Europe and the north Atlantic. The path of totality will cross Greenland, Iceland, Spain and a small area of northeastern Portugal. Other parts of Europe will see a partial solar eclipse. Location: Europe & Northern Atlantic.

BepiColombo Mercury Orbit Insertion
Orbital insertion around Mercury of the ESA-JAXA BepiColombo mission. Location: Mercury.
