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From Earth orbit to deep space: sharing the excitement of real-time mission operations at the European Space Agency. Home for ESA's teams working on Planetary Defence, Space Weather, Clean Space & Space Debris.
esa.int/Operations
esa.int/Space_Safety
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https://bsky.app/profile/operations.esa.int/post/3mvsdjnwxm22t
Published: September 18, 2026 14:03
LEOP complete for @esa.int’s FLEX 💪 🛰️
Since #FLEX launched alongside #Copernicus #Sentinel-3C on 15 September, teams at #ESOC have been working around the clock to complete the spacecraft’s launch and early orbit phase (LEOP).
Congratulations to all the…
https://bsky.app/profile/operations.esa.int/post/3mvs6jv7oyc2i
Published: September 18, 2026 12:34
ESA's proposed Neomir spacecraft will use the infrared to spot asteroids hidden in the Sun's glare. It is a planetary defence mission but one with considerable scientific potential - as shown in this week's inaugural Neomir Science Workshop in Nice,…
https://bsky.app/profile/operations.esa.int/post/3mvppkp2j3k2e
Published: September 17, 2026 13:01
After 34 intense hours, the team at @esa.int’s #ESOC completed the launch and early orbit phase (LEOP) for #Copernicus #Sentinel-3C, following its launch alongside #FLEX on 15 September.
Congratulations to everyone who made this milestone possible. 👏
…
https://bsky.app/profile/operations.esa.int/post/3mvph2nh7y222
Published: September 17, 2026 10:29
Check out the new mission patch for Swing, ESA’s first nanosat mission dedicated to space weather ☀️⚡🛰️🌍
Swing will monitor the ionosphere, represented by a yellow band between Earth and the Sun. More on Swing:…
https://bsky.app/profile/operations.esa.int/post/3mvjqee4mrk2m
Published: September 15, 2026 03:59
👩💻 👨💻 🧑💻 The teams at @esa.int’s #ESOC mission control will now spend around 70 hours guiding both #FLEX and #Copernicus #Sentinel-3C through their first days in orbit. 🛰️🛰️
For now, that’s it from us on this exciting dual launch! Congrats to all the…
https://bsky.app/profile/operations.esa.int/post/3mvjox3bcsc2l
Published: September 15, 2026 03:34
🎉 🎉 @esa.int’s #FLEX and #Copernicus #Sentinel-3C are in space and healthy: we don’t just have one mission, we have two! 🚀🛰️🛰️
👏 Congratulations to the engineers, operators, flight dynamics experts, ground station teams and partners who made this…
https://bsky.app/profile/operations.esa.int/post/3mvjo7ysjas2p
Published: September 15, 2026 03:21
We hear you! @esa.int’s #FLEX spacecraft has phoned home. 📞
At 5:22 CEST, teams at #ESOC mission control acquired the first signal from the spacecraft via KSAT’s Svalbard station. 📡
We now have signal from both spacecraft in this unique dual launch. 🛰️🛰️…
https://bsky.app/profile/operations.esa.int/post/3mvjljkgav22p
Published: September 15, 2026 02:33
Hello #Copernicus #Sentinel-3C – we hear you loud and clear!
KSAT‘s Troll ground station in Antarctica has acquired the satellite's first signal from space. 📡
Telemetry is now flowing into @esa.int’s #ESOC mission control in Germany. 🛰️
📷 ESA/ATG…
https://bsky.app/profile/operations.esa.int/post/3mvjhxr2j4k2q
Published: September 15, 2026 01:29
We have lift-off! 🚀
#Copernicus #Sentinel- 3C’s first signals are scheduled to arrive at #ESOC mission control via a ground antenna at KSAT’s Troll ground station in Antarctica in about 60 minutes.
After that, we expect to hear from @esa.int’s #FLEX. 💪
…
https://bsky.app/profile/operations.esa.int/post/3mvjg3g7aqc2q
Published: September 15, 2026 00:55
It’s time! ⏰
Tune in now on ESA YouTube or watch.esa.int/two/ to follow the unique dual launch of @esa.int’s #FLEX and #Copernicus #Sentinel-3C.
Liftoff in appx. 25 minutes! 🚀 🛰️ 🛰️
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https://bsky.app/profile/operations.esa.int/post/3mvjee5orqs25
Published: September 15, 2026 00:24
📣 Go/no-go Roll Call complete! All stations are reporting green.
Both mission teams at ESA's #ESOC have given their go for the launch of @esa.int’s #FLEX and #Copernicus #Sentinel-3C in appx. 60 minutes.
📷 ESA
https://bsky.app/profile/operations.esa.int/post/3mvjd3jt57c25
Published: September 15, 2026 00:02
#ESOC mission control has never been more ready. 💪
After completing key steps of the network countdown, the B shift has handed over to the A shift, now on console for the final countdown, liftoff and first signal acquisition for @esa.int's #FLEX and…
https://bsky.app/profile/operations.esa.int/post/3mvix373qss2g
Published: September 14, 2026 20:27
While #Copernicus #Sentinel-3C and @esa.int’s #FLEX missions prepare for liftoff, teams at #ESOC are performing final readiness checks with the supporting ground stations:
📡 ESA’s Kiruna station, KSAT’s Troll and Svalbard stations and SSC Space’s Alaska…
https://bsky.app/profile/operations.esa.int/post/3mvishcyezs2m
Published: September 14, 2026 19:04
Don't miss it – @esa.int’s #FLEX and #Copernicus #Sentinel-3C are ready for liftoff tonight!
📺 Broadcast starts at 02:50 CEST.
🚀 Liftoff is scheduled for 03:21 CEST.
Watch live at watch.esa.int/two/ or on ESA YouTube. 📺
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https://bsky.app/profile/operations.esa.int/post/3mvik5ngnac2w
Published: September 14, 2026 16:35
The countdown is on!
The ‘Network Countdown’ for the dual launch of @esa.int's #FLEX and #Copernicus #Sentinel-3C has begun! Launch, communication and control facilities around the world are gearing up ahead of liftoff at 3:21 CEST.
Watch live at…
https://bsky.app/profile/operations.esa.int/post/3mvieybf5l22u
Published: September 14, 2026 15:03
Any questions? You can ask our Hera Space Companion right now - our AI fed with approved operational, scientific and technical knowledge, making ESA’s first planetary defence mission accessible to everyone! hera.esa.int
https://bsky.app/profile/operations.esa.int/post/3mvhqskxfh22g
Published: September 14, 2026 09:02
💡Key takeaways from the new ESA 2026 Space Environment Report: long-term projections worsen drastically. Read the bite-size summary of the yearly status report on space debris and the impact of mitigation measures 👉…