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Deep Impact targets possible 2020 asteroid flyby

Posted by Emily Lakdawalla on 2012/10/05 12:28 CDT | 3 comments

Yesterday, Deep Impact performed a trajectory correction maneuver, firing its thrusters to line up for a flyby seven years from now. Here's a preview of that encounter.

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Shoemaker NEO Winner Finds Close Fly By Asteroid

Posted by Bruce Betts on 2012/10/02 05:54 CDT

Gary Hug used his Shoemaker NEO grant provided camera to find 2012 SY49 which flew by Earth at about two lunar distances last week. The tens of meters wide asteroid is a low-probability possible Earth impactor in the future.

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Spring arrives to Vesta's north pole, as Dawn departs, plus a request for citizen scientists

Posted by Emily Lakdawalla on 2012/09/11 11:08 CDT | 3 comments

Dawn's last images of Vesta peek into previously shadowy north polar territory. As the spacecraft leaves Vesta behind, its science team requests help from the public.

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Dawn Journal: Back to interplanetary space

Posted by Marc Rayman on 2012/09/06 12:49 CDT

After more than a year in orbit, Dawn has left Vesta, beginning the spacecraft's journey to Ceres.

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Name That Asteroid!

Posted by Bill Nye on 2012/09/04 11:39 CDT | 3 comments

OSIRIS-REx is will return a piece of the ancient asteroid 1999 RQ36, and it's up to you to come up with a name.

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Chang'e 2: The Full Story

Posted by Bill Gray on 2012/08/25 10:55 CDT | 4 comments

An update on China's second lunar orbiter, Chang'e 2, which is now heading for asteroid Toutatis.

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Dawn Journal: The long, slow goodbye

Posted by Marc Rayman on 2012/07/26 12:40 CDT | 1 comment

Dawn has completed the final intensive phase of its exploration of Vesta, and it has now begun its gradual departure for Ceres.

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Dawn Journal: Seeing Vesta in a New Light

Posted by Marc Rayman on 2012/07/06 02:33 CDT | 1 comment

Once again Dawn is diligently mapping Vesta, circling the ancient protoplanet about twice a day, observing the signatures of Vesta's tortured history.

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Hunting Asteroids from a Field in Kansas

Posted by Bruce Betts on 2012/06/15 06:33 CDT

TPS Shoemaker NEO Grant Winner Gary Hug hunts near Earth objects from his back yard in Kansas. NPR's Morning Edition picked up on this fascinating story.

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Update on yesterday's post about Chang'E 2 going to Toutatis

Posted by Emily Lakdawalla on 2012/06/15 11:29 CDT | 3 comments

I have a couple of updates on my post from yesterday: confirmation that Chang'E 2 is indeed gone from L2, and more specifics on encounter dates with Toutatis.

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Chang'E 2 has departed Earth's neighborhood for.....asteroid Toutatis!?

Posted by Emily Lakdawalla on 2012/06/14 07:53 CDT | 1 comment

According to a Chinese spaceflight forum, Chang'E program chief scientist Ouyang Ziyuan recently announced that Chang'E 2 has departed the Sun-Earth L2 point and is now en route to asteroid 4179 Toutatis!

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Steins, a jewel in the asteroid belt

Posted by Emily Lakdawalla on 2012/06/13 09:00 CDT | 1 comment

A notice of some new names for features on asteroid 2867 Steins inspired me to dig up the data set from the September 5, 2008 Rosetta flyby and explore it to see what it contained.

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Cheat sheets for Vesta's craters and Dawn's Vesta timeline

Posted by Emily Lakdawalla on 2012/04/19 01:38 CDT

I made myself a cheat sheet to many of Vesta's distinctive-looking craters, and also wrote down a list of the major dates in the timeline of Dawn's exploration of Vesta.

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Pretty Pictures: Amazing Asteroid Lutetia

Posted by Emily Lakdawalla on 2012/04/10 02:00 CDT

A long-awaited data set is finally public (well, long-awaited by me, at least). The Rosetta team has now published their data from the July 10, 2010 flyby of asteroid (21) Lutetia. This data set is absolutely stunning, and my friends in the amateur image processing community wasted no time in creating art out of it.

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La Sagra Observatory discovers very near-Earth asteroid 2012 DA14

Posted by Jaime Nomen on 2012/03/27 05:20 CDT | 3 comments

With a new CCD camera configured to shoot rapid, short exposures bought with a Planetary Society Shoemaker NEO Grant we caught near-Earth asteroid 2012 DA14.

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New "Snapshot From Space": Defending Our Planet

Posted by Mat Kaplan on 2012/03/06 10:18 CST

A new installment of our "Snapshots" video series examines the threat posed by asteroids on collision courses with our home planet. Emily Lakdawalla explains why it's so important to find, understand and learn to deflect these potential civilization enders.

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More Dawn Vesta approach images: First color views

Posted by Emily Lakdawalla on 2012/02/17 11:37 CST

On June 30, Dawn stopped thrusting for a full Vestian day -- five hours and 20 minutes -- and just watched the asteroid rotate. But unlike the previous observations, they used all of Dawn's color filters to acquire the best-ever color photos of the lumpy world.

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Dawn images of Vesta! Released!! For everyone!!!

Posted by Emily Lakdawalla on 2012/02/14 10:57 CST

Some time in the last few days, the Dawn team made public the first preliminary version of the first release of their data from the Vesta phase of their mission.

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Notes on Dawn at Vesta from the 2011 American Geophysical Union meeting

Posted by Emily Lakdawalla on 2011/12/08 03:19 CST

A report on the press briefing and talks from the Fall 2011 American Geophyisical Union meeting about the data on Vesta collected so far by Dawn.

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Our friendly neighborhood asteroid, 2005 YU55 (an animation)

Posted by Emily Lakdawalla on 2011/11/16 02:58 CST

Last week JPL released two animations of asteroid 2005 YU55 made from the radar data acquired by Goldstone's 70-meter radio dish.

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