Asteroid TX68 passed safely Monday | Science Wire | EarthSky Asteroid TX68 passed safely Monday | Science Wire | EarthSky

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Preliminary estimates of the size of asteroid TX68 suggest the space rock has a diameter of 30 meters 98 ftwhich is about twice the size of the Chelyabinsk meteor that entered over Russian skies in February, Flybys in and have an even lower probability of impact.

He loves public outreach and has published multiple astronomy articles for EarthSky, as well as for newspapers in Puerto Rico. Some details from this version are now outdated.

The variation in possible closest approach distances is due to the wide range of possible trajectories for this object, since it was tracked for only a short time after discovery.

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If an asteroid the size of TX68 were to enter Earth's atmosphere, it would likely produce an air burst with about twice the energy of the Chelyabinsk event. Additional observations of asteroid TX68 have been obtained, refining its orbital path and moving the date of the asteroid's Earth flyby from March 5 to March 8.

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The new images let scientists roughly refine its trajectory, but just a bit. However, the next closest approach dates predictions will change again, now that it has swept past us.

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He has also offered dozens of conferences related to asteroids and comets at the Arecibo Observatory. Orbit of asteroid TX The asteroid poses no threat to Earth during this flyby or in the foreseeable future.

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However, the space rock might have passed as closely as 19, miles 30, km or as far as 10, miles 17, km. In other words, for most of the past few weeks, it has been in the daytime sky, where astronomers could not observe it. A small asteroid that two years ago flew past Earth at a comfortable distance of about 1.

On February 11,NASA removed asteroid TX68 from a list of space rocks with possibilities of future impact with Earth over the next years. According to the orbit predictions during the past two weeks, the asteroid may pass by our planet again on September 18, For asteroid news and updates, follow AsteroidWatch on Twitter: Astronomers now know that asteroid TX68 safely passed by Earth on Monday morning, March 7, After three days of tracking, the asteroid passed into the daytime sky and could no longer be observed.

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CNEOS's new prediction for TX68 is that it will fly by roughly 3 million miles 5 million kilometers from our planet. There is still a chance that it could pass closer, but certainly no closer than 15, miles 24, kilometers above Earth's surface.

In late February, the space rock was still approaching Earth from this direction, although the asteroid was actually at a greater distance from us than our star. But they have identified an extremely remote chance that this small asteroid could impact on Sep.

Because it was not tracked for very long, scientists cannot predict its precise orbit around the sun, but they do know that it cannot impact Earth during its flyby next month.

2013 TX68: Trash or Treasure?

Original story below is from Feb. If a space rock of this size were to enter our atmosphere, it would produce a shock wave at least twice as intense as that of the Chelyabinsk meteor, which broke windows in six Russian cities — caused more than 1, people to seek medical care, mostly due to cuts from flying glass — and did other damage to thousands of buildings.

The uncertainty of the exact date of closest approach, as well as the precise orbit, was due to the fact that asteroid TX68 was just observed during 10 days including the newly found pre-discovery images.

Why has there been so much uncertainty about this object? Over time, with additional observations added to the equation, scientists are able to refine and narrow the orbit uncertainties. This results in projections of minimum, maximum and nominal distances from Earth, which can sometimes have a wide disparity due to limited data.

Asteroid 2013 TX68 passed safely Monday

That is still a short time to define an orbit precisely. By comparison, the asteroid that broke up in the atmosphere over Chelyabinsk, Russia, three years ago was approximately 65 feet 20 meters wide. During the upcoming March 5 flyby, asteroid TX68 could fly past Earth as far out as 9 million miles 14 million kilometers or as close as 11, miles 17, kilometers.

The asteroid will fly by Earth on March 8.

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