Satellite To Fall To Earth in Uncontrolled Descent
2013-10-22 0:00

From: Brevard Times



The European Space Agency estimates that a satellite weighing 2,425 pounds (1,100 kilograms) will begin its orbital decay sometime this week and then hurl back to Earth in an uncontrolled descent from an orbital height of about 139 miles (224 kilometers).

On October 18, the ESA reported that the pressure in the satellite’s fuel system had dropped below 2.5 bar, which is the pressure needed to fire the ion engine. It was estimated then that there was about 350g of xenon left in the fuel tank. If the engine continues to function until the tank is empty, orbital decay would start around October 26, 2013. However, ESA controllers expect the ion engine to terminate well before that.

The ESA cautioned that, while most of the satellite will disintegrate in the atmosphere, several parts might reach Earth’s surface. Exactly when and where the space junk debris will crash cannot yet be predicted, but the affected area will be narrowed down by ESA scientists closer to the time of re-entry. Re-entry is expected to happen about three weeks after the fuel is depleted.

[...]

Read the full article at: space.brevardtimes.com



Related Articles
Switzerland to Launch ’Janitor’ Satellite to Collect Pieces of Space Junk
Space Junk Debris Harpooning Talks Underway At Euro Space Agency
Extreme Space Weather Storms Spark Satellite Failures, Study Suggests


Latest News from our Front Page

Estonia must accept African & Middle Eastern immigrants says politician
2015-05-22 3:06
Kalle Laanet, an Estonian politician, spoke at the International Migration Forum held in Tallinn. He told the audience that the question is not: Should Estonia take the African and the Middle Eastern immigrants (who illegally entered Southern Europe)? He said the question is: How will Estonia take the immigrants? “Today the issue is not whether Estonia should receive the refugees coming to ...
Rescuing Palmyra: History's lesson in how to save artefacts
2015-05-21 22:49
With Islamic State militants now inside the historic town of Palmyra in Syria, the question, inevitably, is whether they will destroy the ancient ruins. As IS continues to sweep through parts of Iraq and Syria, damage to centuries-old artefacts - because IS sees statues and shrines as idolatrous - is plentiful. But history has shown that, when culturally important sites are under ...
Saudi Arabia Wants to Convert Sweden to Islam
2015-05-21 20:38
Aje Carlbom is an Associate Professor of Social Anthropology, University of Malmö Since the 1970s, Saudi Arabia has actively spread its interpretation of Islam, Wahhabism or Salafism, worldwide. It is the most literal version of Islam and affects many young Muslims, who regard society as a place to Islamize, writes social anthropologist Aje Carlbom. Sweden's Foreign Minister Margot Wallström was ...
Professor: If You Read To Your Kids, You're 'Unfairly Disadvantaging' Others
2015-05-21 18:22
Bedtime-story privilege? According to a professor at the University of Warwick in England, parents who read to their kids should be thinking about how they're "unfairly disadvantaging other people's children" by doing so. In an interview with ABC Radio last week, philosopher and professor Adam Swift said that since "bedtime stories activities . . . do indeed foster and produce . . ...
If You Read About Conspiracies You're Just Like Osama Bin Laden Apparently
2015-05-21 3:46
At its heart, the story of Osama bin Laden's time at his house in Abbottabad is surreal. The American image of bin Laden - leering at us from under his head wrap as he plots and schemes - is undermined by the mundane realities of his life. The guy was responsible for murdering thousands of Americans and orchestrating a global ...
More News »