(meteorobs) Ontario Meteor over 200 reports or Re: Upper Mid-Eastern USA Fireball June 14, 2012

[Bill Cooke]

Interesting... I don't suppose that there is much chance of seeing anything lower in altitude?

Regards,

Bill Cooke
NASA Meteoroid Environment Office
Email: william.j.cooke at nasa.gov
Office: 256 544-9136
On Jun 18, 2012, at 6:29 PM, Matson, Robert D. wrote:

> Hi Bill,
> 
> In the Doppler radar data from Green Bay, WI, (KGRB) in the 7th cut
> angle
> (1.85 degrees) of a scan that began at 01:51:26 UT, there is a
> moderately
> strong hit at 47.348N, 84.470W, alt. 25.4 km. This seems to be extremely
> close to being online with your two data points below. Unfortunately, it
> is also only about 10 km east of Lake Superior.  --Rob
> 
> -----Original Message-----
> From: meteorobs-bounces at meteorobs.org
> [mailto:meteorobs-bounces at meteorobs.org] On Behalf Of
> cookewj at comcast.net
> Sent: Monday, June 18, 2012 1:32 PM
> To: meteorite-list at meteoritecentral.com; Meteor science and meteor
> observing
> Subject: Re: (meteorobs) Ontario Meteor over 200 reports or Re: Upper
> Mid-Eastern USA Fireball June 14, 2012
> 
> This event occurred on June 14 at 9:51:30 PM EDT (June 15 01:51:30 UTC),
> lasted approximately 10 seconds, and was widely seen across the northern
> United States and southern Canada. Analyses of 5 all sky videos from the
> Southern Ontario Meteor Network were performed by NASA Meteoroid
> Environment Office and Western University's Meteor Physics Group,
> yielding the following trajectory: 
> 
> Start point: 79.573 W, 44.552 N at an altitude of 101.4 km Last
> detection: 82.317 W, 46.142 N at an altitude of 61.5 km Average speed:
> 28.3 +/- 0.5 km/s 
> 
> Radiant coordinates of RA 265.2, Dec -19.9 are within the anti-helion
> sporadic source. The meteor was moving too fast and was too high to
> produce meteorites on the ground. Orbit shows no resemblance to that of
> 2012 LZ1, which made a close approach to Earth on June 14. 
> 
> London, Ontario composite and video: 
> http://fireballs.ndc.nasa.gov/special/SOMN_ev_20120615_015131/cut_201206
> 15_015131_02B.png
> http://fireballs.ndc.nasa.gov/special/SOMN_ev_20120615_015131/cut_201206
> 15_015131_02B.mov 
> 
> Collingwood, Ontario composite and video: 
> http://fireballs.ndc.nasa.gov/special/SOMN_ev_20120615_015131/cut_201206
> 15_015130_05A.png
> http://fireballs.ndc.nasa.gov/special/SOMN_ev_20120615_015131/cut_201206
> 15_015130_05A.mov 
> 
> Regards, 
> 
> Bill Cooke
> NASA Meteoroid Environment Office
> Email: william.j.cooke at nasa.gov
> Office: 256 544-9136
> 
> _______________________________________________
> meteorobs mailing list
> meteorobs at meteorobs.org
> http://lists.meteorobs.org/mailman/listinfo/meteorobs