NASA will host media teleconference on February 7 on upcoming Asteroid 2012 DA14 flyby


Mark the date – February 7, 2013 at 19:00 UTC (11 a.m. PST/2 p.m. EST). For those of you interested in the closest ever predicted Earth approach for an object of this size, NASA will hold a media teleconference to discuss about upcoming asteroid flyby.

The teleconference participants are:

  • Lindley Johnson, program executive, Near-Earth Object (NEO) Observations Program, NASA Headquarters, Washington
  • Timothy Spahr, director, Minor Planet Center, Harvard-Smithsonian Center for Astrophysics, Cambridge, Mass.
  • Donald Yeomans, manager, NEO Office, Jet Propulsion Laboratory, Pasadena, Calif.
  • Amy Mainzer, principal investigator, NEOWISE observatory, Jet Propulsion Laboratory
  • Edward Beshore, deputy principal investigator, Origins-Spectral Interpretation-Resource Identification-Security-Regolith Explorer Asteroid Sample Return Mission, University of Arizona, Tucson

Audio of the teleconference will be streamed live at: http://www.nasa.gov/newsaudio and http://www.ustream.tv/nasajpl2 .

A Ustream feed of the flyby from a telescope at NASA's Marshall Space Flight Center in Huntsville, Ala., will be broadcast from 16:00 UTC to 14:00 UTC (6 p.m. to 9 p.m. PST (9 p.m. to midnight EST)) on February 15, 2013. To view the feed and ask researchers questions via Twitter about the flyby, go here.

Graphic depicts the trajectory of asteroid 2012 DA14 on Feb 15, 2013. In this view, we are looking down from above Earth's north pole. (Credit: NASA/JPL-Caltech)

With an estimated mass of about 130,000 metric tons and size of 45 meters (150 feet) in diameter, Asteroid 2012 DA14 will pass close by Earth on February 15, 2013 – so close that it will pass inside the ring of geosynchronous weather and communications satellites. Although this will be a record close approach for a known object of this size, there is no risk that the asteroid might be on a collision course with Earth.

Asteroid 2012 DA14 will be closest to Earth on February 15, 2013 at approximately 19:24 UTC (2:24 p.m. EST/11:24 a.m. PST). At the time of closest approach, the asteroid will be over the eastern Indian Ocean, off Sumatra at approximately -6 degree South latitude and 97.5 degree East longitude, about only 17,200 miles (27,700 kilometers) above Earth's surface or about one-tenth the distance between Earth and moon.

Scientists at NASA's Near-Earth Object Program Office in Pasadena, Calif. estimate that an asteroid the size of 2012 DA14 flies this close every 40 years on average and that one will impact Earth, on average, about once in every 1,200 years.

The flyby creates a unique opportunity for researchers to observe and learn more about asteroids. NASA's Goldstone Solar System Radar, located in California's Mojave Desert, will observe the asteroid on Feb. 16, 18, 19 and 20. Due to the asteroid's small size, the radar images generated are expected to be no more than a few pixels across. It will also be observed by numerous optical observatories worldwide to attempt to determine its spin rate and composition.

Credit: JPL NASA

Featured image: Diagram depicting the passage of asteroid 2012 DA14 through the Earth-moon system on Feb. 15, 2013 (Credit: NASA/JPL-Caltech)


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