[amsat-bb] Re: Close encounters of the Asteroidal Kind
w7lrd at comcast.net
Thu Feb 7 12:49:57 PST 2013
maybe "asteroid bounce"? (EAE)
73 Bob W7LRD
----- Original Message -----
From: "Vince Fiscus, KB7ADL" <vlfiscus at mcn.net>
To: amsat-bb at amsat.org
Sent: Thursday, February 7, 2013 7:18:47 AM
Subject: [amsat-bb] Re: Close encounters of the Asteroidal Kind
At 01:06 AM 2/7/2013 -0500, k3io at verizon.net wrote:
>Next week (Feb 15) the earth will be visited by asteroid 2012 DA14 passing
>inside the gestationary satellite orbits. To quote from
>>2012 DA14 was discovered by the La Sagra Sky Survey in Spain on February
>>This object will make an extremely close approach to within 0.00023 AU of
>>19:25 UT (11:25 AM PST) on February 15, 2013. That is only 0.09 lunar
>>distances or 5.4 Earth
>>radii from the center of the Earth. The close approach will be about
>>28000 km above Earth's
>>surface. That's inside the distance to geosynchronous satellites but
>>thousands of kilometers
>>above the elevation for low-Earth-orbit spacecraft such as the
>>International Space Station.
>>At the time of closest approach, the asteroid will move about 0.8 degrees
>There is considerable interest in the astronomy community over plans to do
>radar tracking of the asteroid. The Goldstone 70M dish will be running MAX
>QRO with 435 kW.
>73 de Tom, K3IO
I know some might think this is off topic, but I enjoy seeing reports
like these on the BB.
Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
More information about the AMSAT-BB