Rosetta's Ariane 5 ready to loft the comet-chaser into orbit in 2004. Credit: ESA/CNES/Arianespace - S. Corvaja

Replanning Europe’s mission of the decade: the ba...

Today’s blog post was contributed by Ruediger Jehn and his colleagues working on the Mission Analysis team at ESOC. These experts work behind the scenes on all of ESA’s interplanetary and observatory missions to map out –...

Night shift for Sentinel-1 LEOP Credit: ESA

A night shift like never before

One might think One might think that after being able to bring the launch date forward from 15 to 3 April (since when do launch dates come forward?), that after successfully achieving the shortest launch campaign in...

Sentinel-1A Separation
video

Separation in space: the backstory

This superb footage was acquired by cameras on the Soyuz Fregat upper stage that released Sentinel-1 into orbit on 3 April 2014. It shows the Sentinel-1 satellite separating from the Fregat to start its life in orbit...

Sentinel-1 team photo

Mission control team photo

The team that will fly the Sentinel-1 mission starting just after separation tonight! Official team photo, taken at ESOC yesterday. Credit: ESA/J. Mai

15m Estrack ground station, Perth, Australia. Credit: ESA

ESA ground tracking network supports Soyuz VS07 today

In addition to tracking satellites in Earth orbit (or 5AU away in deep space), ESA's Estrack station network can also receive signals from launchers. Today, a team of ESA engineers from ESOC supported by an industry contractor...

Sentinel-1 Credit: ESA/ATG Media Lab

Sentinel-1A launch timeline

Find below a detailed timeline for the launch of Sentinel-1A on 3 April 2014. Lift off is set for 21:02:31 GMT (23:02:31 CEST) on board Soyuz ST flight VS07 from Europe’s Spaceport in Kourou, French Guyana. This...

At ESOC, 13 March 2014. Credit: ESA

Training the teams for launch

A few nice photos showing the Mission Control Team at ESOC, Darmstadt, conducting intensive launch simulation training for Sentinel-1a on 13 March 2014. During the 'sim' session, simulation officers (working unseen in a separate control room) injected...

Space Situational Awareness Space Weather_node_full_image

Large solar flare last night

A major X-class solar flare peaked in the early hours of Tuesday (25 February) morning. The X4.9 event occurred close to the solar East limb...

Relativity affects all missions Credit: NASA

Time dilation and spacecraft

A couple days ago, @jensdwo asked via Twitter: @ESA_de A question about relativity theory: is @ESA_Rosetta on its 10-year journey also aged by 10 years? The short answer was, Yes! But...

Galileo at work. Credit: ESA/I. Buczek

Finding a comet: the backstory

On 4 February, the Teide Observatory Tenerife Asteroid Survey (TOTAS) team was credited with discovering comet P/2014 C1, named ‘TOTAS’ (there's a report today in the main ESA website). If you're not an astronomer, you may have...

Asteroids passing Earth Credit: ESA/P. Caril

SMPAG: Summary of the first meeting

Summary of the first 'SAMEPAGE' meeting, 6-7 February 2014 at ESOC. Original article and more details via the nascent SMPAG website. In cooperation with the Action Team on Near-Earth Objects (AT-14) of the United Nations Committee on...