[meteorite-list] Rosetta Bound for Outer Solar System After Final Earth Swingby
From: Ron Baalke <baalke_at_meteoritecentral.com>
Date: Mon, 16 Nov 2009 09:17:31 -0800 (PST) Message-ID: <200911161717.nAGHHVle026662_at_zagami.jpl.nasa.gov> http://www.esa.int/esaCP/SEMZC04VU1G_index_0.html Rosetta bound for outer Solar System after final Earth swingby European Space Agency 13 November 2009 This morning, mission controllers confirmed that ESA's comet chaser Rosetta had swung by Earth at 8:45 CET as planned, skimming past our planet to pick up a gravitational boost for an epic journey to rendezvous with comet 67P/Churyumov-Gerasimenko in 2014. Rosetta passed over the ocean, just South of the Indonesian island of Java, at exactly 08:45:40 CET, at a speed of 13.34 km/s with respect to Earth at an altitude of 2481 km. The swingby was pre-planned and fully automated, and the spacecraft was in direct communication with Earth at the time, via the ESA New Norcia Station. The successful swingby was confirmed at 09:05 CET when mission controllers re-established contact with Rosetta via ESA's Maspalomas station in Spain. Although a detailed analyses is in progress, spacecraft operators have confirmed that the swingby provided a boost of 3.6 km/s. Europe's comet chaser has now flown a little over 4500 million km of its 7100 million km journey to its destination comet 67P/Churyumov-Gerasimenko. This was Rosetta's fourth planetary swingby and the third and final swingby of Earth. [Image] Image of Earth beamed back by Rosetta last night Science close to Earth Some of Rosetta's instruments have been on since early November, performing imaging, magnetospheric, and atmospheric observations, as well as looking for water on the Moon. The first round of images and data recorded just before and during the swingby will be downloaded later today. Rosetta is now departing Earth to meet asteroid (21) Lutetia in July 2010. It has gained sufficient orbital energy to achieve its final goal: a rendezvous with comet 67P/Churyumov-Gerasimenko in 2014. The spacecraft is scheduled to enter deep-space hibernation by mid 2011 for the coldest leg of her journey to receive a wake up call only in spring 2014. For additional details on today's swingby access the Rosetta Blog http://www.esa.int/blog For more information: Andrea Accomazzo, ESA Rosetta Spacecraft Operations Manager Email: Andrea.Accomazzo _at_ esa.int Gerhard Schwehm, ESA Rosetta Mission Manager Email: Gerhard.Schwehm _at_ esa.int Rita Schulz, ESA Rosetta Project Scientist Email: Rita.Schulz _at_ esa.int Received on Mon 16 Nov 2009 12:17:31 PM PST |
StumbleUpon del.icio.us Yahoo MyWeb |