* Astronomy

Blobrana · L

RE: Envisat spacecraft

Blobrana · L

ESA declares end of mission for Envisat

Just weeks after celebrating its tenth year in orbit, communication with the Envisat satellite was suddenly lost on 8 April. Following rigorous attempts to re-establish contact and the investigation of failure scenarios, the end of the mission is being declared.
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Blobrana · L

Engineers have managed to get the first detailed photographs of the crippled Envisat platform.
The French Space Agency (Cnes) tasked its high-resolution Pleiades satellite to image Envisat while passing some 100km from the stricken mission.
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Blobrana · L

Investigation on Envisat continues

Optical, radar and laser observations of the Envisat satellite show that it is still in a stable orbit. Efforts to regain contact with the satellite have been under way since 8 April, when it unexpectedly stopped sending data to Earth.
To determine if Envisat has entered its 'safe mode' - which would be a starting point for revival - the recovery team is drawing on every information source available.
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Blobrana · L

ENVISAT
1 27386U 02009A   12111.47678495  .00000152  00000-0  65374-4 0  2005
2 27386 098.4769 180.7268 0001147 093.8564 266.2754 14.37495918530406

Period:       100.17 minutes
Inclination: 98.48°
Apogee:     768 km
Perigee:     766 km

Ed ~ 'cut and paste' (using notepad) information for satellite tracking software

Blobrana · L

Battle to save flagship Envisat spacecraft

Engineers are battling to save the European Space Agency's (Esa) flagship Earth observation mission - Envisat.
Controllers say the eight-tonne spacecraft appears to be in a stable condition, but they are not receiving any data at all from the platform.
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Blobrana · L

Contact lost with flagship Envisat spacecraft

Contact has been lost with the European Space Agency's (Esa) flagship Earth observation mission - Envisat.
Controllers stopped receiving data from the eight-tonne spacecraft on Sunday, and have not as yet been able to re-establish communications.
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Blobrana · L

Happy birthday, Envisat

In the early hours of 1 March 2002, the largest Earth observation satellite ever built soared into orbit from ESAs launch base in Kourou, French Guiana. For a decade, Envisat has been keeping watch over our planet.
The eight-tonne satellite has doubled its planned five-year lifetime, circling Earth more than 50 000 times.
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Blobrana · L

Envisat

Credit g6gak

Envisat ("Environmental Satellite") is an Earth-observing satellite. It was launched on 1 March 2002 aboard an Ariane 5 from the Guyana Space Centre in Kourou, French Guyana.
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Blobrana · L

ESA's Earth-observing satellite Envisat has moved to a lower orbit in order to conserve fuel and extend its life by three years, and is once again delivering invaluable data to thousands of scientists.
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