[pasmembers] Fw: Research an object coming into view soon

  • From: LPhxAZ <lphxaz@xxxxxxxxx>
  • To: "List Serv" <pasmembers@xxxxxxxxxxxxx>
  • Date: Fri, 28 Dec 2012 06:25:35 -0700

Dear Terri,

I am forwarding this to the listserv because I think some members are into 
observing NEO's and will know more about it.

the question is - what is the size and expected magnitude of this asteroid.  if 
it's daytime here at its closest approach, then it will NOT be visible at that 
moment.  not in a scope and certainly not in binoculars.  at night, depending 
on the object's expected magnitude, it might be visible in a scope and/or 
binoculars.  and even though it will not be at "closest approach" on the night 
before or after, it should be "pretty close".  also, depending on which 
direction it is coming from (above or below the ecliptic), we would need to 
check visibility from our hemisphere.  e.g. some comets (similiar situation) 
are more visible from one hemisphere or the other.  these are all things to 
look into, and maybe someone on the list already knows the info.  otherwise I 
will research it later.

best regards,
Leah


----- Original Message ----- 
From: Terri 
To: Alex Vrenios ; Leah Sapir 
Sent: Thursday, December 27, 2012 3:46 PM
Subject: Research an object coming into view soon


Alex,


The best answer I can give is let me forward this to our Question department of
PAS, and see what they say about it. 
I'd like to know, as well. According to Dennis Young, it will be visible
but not until March. If this is the same object. 


Happy Holidays
Terri


cc: Leah read below
Leah, if you find out anything really cool about seeing this, that you'd like
to include in the Feb newsletter, send it over. But please, finish the
special issue items first, before you write this one up. Thanks.



------------------------------------------------------------------------------
  From: Alex Vrenios <doctorv@xxxxxxx>
  To: Terri <cosmicstarstuff@xxxxxxxxx> 
  Sent: Thursday, December 27, 2012 3:34 PM
  Subject: Re: Happy Holidays & Happy New Year!



  Hi Terri,


  I would be grateful if you asked the gurus at our next meeting if there is 
even a slight chance of seeing asteroid 2012 DA14 on Feb 15, 2013. As you can 
see from the diagram:





  It will be coming into view from our hemisphere at 1900Z, or Noon MST, so 
probably not visible in daylight. It will, however, pass through the Earth's 
shadow around 1pm at magnitude 7 or so. I wonder if it might be seen with 
binoculars at that time...



  Alex




  Dr.Alex Vrenios
  Phoenix, AZ




image/jpg

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