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'Meteor storm' from newfound comet expected in 2014

Washington, Sun, 21 Oct 2012 ANI

Washington, October 21 (ANI): While Orionid meteor shower from Halley's Comet will illuminate the sky this weekend, recent calculations made by meteor experts suggest there's a far-greater celestial fireworks display coming to in 2014.

A new, and very significant meteor shower is very likely to take place in May 2014, according to them.

At the moment, conservative forecasts suggest anywhere from 100 to 400 meteors per hour may be seen, but the actual rate could peak much higher and potentially reach "meteor storm" levels (1,000 per hour!).

The progenitor of this possible display is comet 209P/LINEAR, a periodic comet discovered on Feb. 3, 2004, by the Lincoln Near-Earth Asteroid Research project (LINEAR) using a 1-meter (39 inches) reflector telescope. The comet was given the permanent number 209P on Dec. 12, 2008.

As comet's go, 209P/LINEAR is small and intrinsically dim. It completes one trip around of the sun in about five years. The comet's aphelion distance (farthest point from the sun) extends out near the orbit of Jupiter and its orbit has been perturbed several times by the giant planet's gravitational pull over the past 200 years.

Meteor experts Esko Lyytinen of Finland and Peter Jenniskens at NASA Ames Research Center were the first to announce that the Earth was on a collision course with a number of dusty debris trails shed by comet LINEAR which would cause an outburst of meteor activity. Their findings have since been independently confirmed by two meteor experts.

Jeremie Vaubaillon, of The Institut de Mecanique Celeste et de Calcul des Ephemerides in France, noted that: "So far, given the observations, we estimate a ZHR (zenithal hourly rate) of 100/hr to 400/hr, which is an excellent outburst! But this shower can become an exceptional one. Indeed, given the current orbit of the comet, all the trails ejected between 1803 and 1924 do fall in the Earth's path in May 2014! As a consequence, this shower might as well be a storm."

You can see Vaubaillon's plot of Earth's path through the meteor shower stream here. The plot shows the Earth passing through a dense trail of debris on May 24, 2014.

Another reputable meteor scientist, Mikhail Maslov of Russia, has made a "very cautious" estimate for a ZHR of 100/hr, but with the disclaimer: "It is difficult to estimate expected intensity of the outburst due to the lack of past observed cases of activity from the given comet meteor shower, as well as due to very small size of the comet itself and unknown level of its past activity ... and it is very possible that real activity will turn to be much higher. Storm levels are also far from being excluded."

The radiant for this impending meteor shower is in the northern circumpolar constellation of Camelopardalis and the predicted date is May 24, 2014, at around 3:30 a.m. EDT (0730 GMT/UT).

That means that the United States and Southern Canada will be in the best position to see whatever activity occurs, since it will be taking place in a dark sky between midnight and dawn. (ANI)

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