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2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!

 
Anonymous Coward
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09/26/2012 05:11 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
WOW ASTRO DOOM?
IT MUST BE TRUE!
Anonymous Coward
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09/26/2012 05:30 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
...


LOL, yeah, better wording than mine.

BTW, do the alloys that the satellites are made of, can be affected (pulled) by a magnetic body?
 Quoting: Anonymous Coward 24406931


I suppose, but it's not going to be detectably affected by a "magnetic asteroid" if that's what you're thinking. Such a force would decrease with the inverse cube of the distance, not the inverse square as with gravity. The relative velocity between any of these satellites and the asteroid is also so high that it makes either the gravity or magnetism of the asteroid irrelevant.
 Quoting: Dr. Astro


Please, Would you mind to explain this?
 Quoting: Anonymous Coward 24473625


[link to www.gsjournal.net]
Here's an elementary level demonstration of the concept:
[link to image.gsfc.nasa.gov]
You'll first need to build one of these:
[link to image.gsfc.nasa.gov]
 Quoting: Dr. Astro


Thanks a lot!
Dr. AstroModerator  (OP)
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02/07/2013 08:03 PM

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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
New astrometric data rules out any possible collision with any geostationary or geosynchronous satellite. 2012 DA14 should have smooth sailing:

astrobanner2
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02/07/2013 08:12 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Will Iphone still work?
 Quoting: AlcoholicRunner


Will my Obama phone still work? If not I'm burning down my neighborhood.
Anonymous Coward
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02/07/2013 08:36 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Will Iphone still work?
 Quoting: AlcoholicRunner


Will my Obama phone still work? If not I'm burning down my neighborhood.
 Quoting: Anonymous Coward 33903742


Will there be huts to live in FEMA CAMP?
SilentlyKnowing

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02/07/2013 08:37 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
there are a lot of problems in that orbit. normally there is only supposed to be a satellite every 2deg or so, but lately they have been double and triple stacking them. most of the "stacks" will be of different bands, such as c-band Ka, Ku, EHF, X (and whatnot).

What is worrying me is they started to stack the linear wave length satellites. Normally there is supposed to be a 30db isolation between polarities. However with like-satellites being only .5 degrees apart and a polarity difference of 45 degrees, the max you could effectively get is about 20 db of isolation between all polarities and satellites.

What this does is increase the required powers of the carriers and subsequently increases the noise floor of the satellite. This will result in a lowering of available bandwidth by the required increases of guard-bands.

We need to get rid of some of these older satellites out of the orbit because their flight patterns are taking up to almost 3 degrees. I mean, sure traffic can still be passed, but the doppler effect is starting to cause an extreme amount of errors.
 Quoting: Tic-Toc-

Wow! Tic-Toc!
You really know your stuff about these satellites!

You don't offer an opinion, though, as to whether Dr. Astro
here is right-on about our not having to worry about a
satellite collision with 2012-AD14. Do you have one?

I don't know how ANYONE can give a credible account for
EVERY piece of space junk out there to be 100% certain
that the 2012-AD fly-by will be uneventful. I don't buy
it!
Glad to see you up on the board Dr. Astro!
(Be nice...I have already been abused! lol!)
Cheers!
SK


squirrelBEERS
Dr. AstroModerator  (OP)
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02/07/2013 08:59 PM

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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
I don't know how ANYONE can give a credible account for
EVERY piece of space junk out there to be 100% certain
that the 2012-AD fly-by will be uneventful. I don't buy
it!
 Quoting: SilentlyKnowing


If it hits a piece of space debris at this point, no one will really have to worry about it; it's not going through the clarke belt, so the debris generation would be well below our geostationary satellites.
astrobanner2
Ozi dude
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02/07/2013 09:03 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Hey Doc forgive my ignorance this is a genuine question. If the 2012DA14 did collide with a sat. Could the impact affect the ateroids trajectory? Or are the sats. to small to do that?
Anonymous Coward
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02/07/2013 09:05 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
New astrometric data rules out any possible collision with any geostationary or geosynchronous satellite. 2012 DA14 should have smooth sailing:

 Quoting: Dr. Astro


Will it be visible as it passes by?
Anonymous Coward
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02/07/2013 09:19 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
astromut,.. you might be correct... but i would hardly call that video PROOF.

its something. more along the lines of conjencture.
Anonymous Coward
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02/07/2013 09:57 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
But if anything changes you will let us know, right?
hf
Anonymous Coward
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02/07/2013 10:12 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
This guy does an excellent job explaining DA14

Guide to the February 15, 2013 Close Pass by Asteroid 2012 DA14



[link to youtu.be]

Here is his web page

[link to www.planetary.org]
Anonymous Coward
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02/07/2013 10:18 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
There is still a possibilty it could hit satellites.

It's still an unusual occurance.

Still don't know if it will affect earthquakes or not. Butterfly flaps its wings etc.
Anonymous Coward
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02/07/2013 10:21 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Butterfly flaps its wings etc.
 Quoting: Anonymous Coward 20756371


Very well put!
Anonymous Coward
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02/07/2013 10:25 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
I don't know what else is in this thread because the pages take too long to load up.

I'm sticking with the official Nasa news conference version.

Some risk to satellites.
TastyThoughts

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02/07/2013 11:48 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Billiard Ball Effect.
 Quoting: Silent Wind


happydance
"They cannot see what's-up if They are looking down." (TastyThoughts)
"Something is smelly! Something is smelly, like an old barnacle encrusted shoe washing ashore in the middle of summer." (TastyThoughts)
"Yes happy Earth day. Now go tell the wicked to stop damaging the Human Species therefore/and the Earth; For, they are discombobulating the entire Universe and upsetting the Most High God." (TastyThoughts)
Dr. AstroModerator  (OP)
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02/08/2013 12:18 AM

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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
astromut,.. you might be correct... but i would hardly call that video PROOF.

its something. more along the lines of conjencture.
 Quoting: Anonymous Coward 10189969


Then you don't understand it. It's not conjecture, it's simple math.
astrobanner2
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Hey Doc forgive my ignorance this is a genuine question. If the 2012DA14 did collide with a sat. Could the impact affect the ateroids trajectory? Or are the sats. to small to do that?
 Quoting: Ozi dude 33907544


By the it's close enough to hit a satellite it's already too late to change the trajectory in a manner that would result in an earth impact on that orbit.
astrobanner2
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
There is still a possibilty it could hit satellites.
 Quoting: Anonymous Coward 20756371


Which satellite then?
astrobanner2
Anonymous Coward
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02/08/2013 12:27 AM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Hey Astro.

Go read page 5 of Silentlyknowings thread won't you please.

The go watch the CBC NEWS from Canada and have a listen what OUR SCIENTISTS have to say about Earthquakes in relation to Asteroids.

For the rest of you. Whatever portion of the Hemisphere this thing passes closest too. Watch that area for Earthquakes.

Watch all the areas in relation to Earthquakes next time any big magnetic Asteroid comes close to us.

Leave it too our CANADIAN SCIENTISTS to tell the truth of it.

The CBC is a Canadian owned broadcasting company. Owned by Canadians. Not the powers that be.
Dr. AstroModerator  (OP)
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02/08/2013 12:31 AM

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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Hey Astro.

Go read page 5 of Silentlyknowings thread won't you please.

The go watch the CBC NEWS from Canada and have a listen what OUR SCIENTISTS have to say about Earthquakes in relation to Asteroids.
 Quoting: Anonymous Coward 33915457


Earthquakes happen all the time. Asteroids pass by us all the time. The two WILL overlap all the time.
astrobanner2
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02/08/2013 12:48 AM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
For an "Amateur" astronomer you seem quite confident to have included ALL satelites and their locations like a pro,

Seems legit
Anonymous Coward
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02/08/2013 01:29 AM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
For an "Amateur" astronomer you seem quite confident to have included ALL satelites and their locations like a pro,

Seems legit
 Quoting: Anonymous Coward 33896873


mmmm, unpinned shortly after I make this comment and no reply from the "Amateur" astronomer with calculations based on information only an insider would have.s226
Anonymous Coward
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02/08/2013 01:46 AM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Hey Astro.

Go read page 5 of Silentlyknowings thread won't you please.

The go watch the CBC NEWS from Canada and have a listen what OUR SCIENTISTS have to say about Earthquakes in relation to Asteroids.
 Quoting: Anonymous Coward 33915457


Earthquakes happen all the time. Asteroids pass by us all the time. The two WILL overlap all the time.
 Quoting: Dr. Astro


This
Dr. AstroModerator  (OP)
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02/08/2013 09:49 AM

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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
For an "Amateur" astronomer you seem quite confident to have included ALL satelites and their locations like a pro,

Seems legit
 Quoting: Anonymous Coward 33896873


mmmm, unpinned shortly after I make this comment and no reply from the "Amateur" astronomer with calculations based on information only an insider would have.s226
 Quoting: Anonymous Coward 33896873


No, there is not some grand conspiracy, I'm not a mod so I had no power over when it was unpinned. I also went to bed after I made my last comment. Perhaps you were impatient because you fretted over my response.

Well as I stated within the video and within the comments when I posted the video, I was specifically showing geostationary and geosynchronous satellites since those are the ones that are most vulnerable and most susceptible to a domino effect of collisions. Satellites below geostationary and above low earth orbit are much more sparse and mostly involve Molniya-type orbits. But yes I have the data on that as well, and yes, I mean ALL satellites including those you think only "an insider" would have.

Real amateur astronomers are very good at finding things in space that the government doesn't want you to know about, including classified satellites:
[link to www.prismnet.com]
I'll make a special video just for GLP and show that data as well. Please don't report it to DHS...
astrobanner2
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02/08/2013 01:22 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Hey Astro.

Go read page 5 of Silentlyknowings thread won't you please.

The go watch the CBC NEWS from Canada and have a listen what OUR SCIENTISTS have to say about Earthquakes in relation to Asteroids.

For the rest of you. Whatever portion of the Hemisphere this thing passes closest too. Watch that area for Earthquakes.

Watch all the areas in relation to Earthquakes next time any big magnetic Asteroid comes close to us.

Leave it too our CANADIAN SCIENTISTS to tell the truth of it.

The CBC is a Canadian owned broadcasting company. Owned by Canadians. Not the powers that be.
 Quoting: Anonymous Coward 33915457


could this explain the over 100 5.0+ earthquakes at the santa cruz islands in the last week?
Anonymous Coward
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02/08/2013 04:07 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
For an "Amateur" astronomer you seem quite confident to have included ALL satelites and their locations like a pro,

Seems legit
 Quoting: Anonymous Coward 33896873


mmmm, unpinned shortly after I make this comment and no reply from the "Amateur" astronomer with calculations based on information only an insider would have.s226
 Quoting: Anonymous Coward 33896873


No, there is not some grand conspiracy, I'm not a mod so I had no power over when it was unpinned. I also went to bed after I made my last comment. Perhaps you were impatient because you fretted over my response.

Well as I stated within the video and within the comments when I posted the video, I was specifically showing geostationary and geosynchronous satellites since those are the ones that are most vulnerable and most susceptible to a domino effect of collisions. Satellites below geostationary and above low earth orbit are much more sparse and mostly involve Molniya-type orbits. But yes I have the data on that as well, and yes, I mean ALL satellites including those you think only "an insider" would have.

Real amateur astronomers are very good at finding things in space that the government doesn't want you to know about, including classified satellites:
[link to www.prismnet.com]
I'll make a special video just for GLP and show that data as well. Please don't report it to DHS...
 Quoting: Dr. Astro


Thankyou for your response. I am on this site because I am skeptical, so therefore am skeptical your intentions. This is a reasonable, fair response to my concerns. You have stated a couple of years ago that you are a believer of the Bible. You are obviously very smart and passionate about Astronomy, so I would like a response about how the theories on this board could play out in the Biblical sense. I'm sure you can see that the Bible is a coded book, warning of Astronomical events that are yet unknown and incredible. Considering your passion I would like to know your thoughts on possible Astronomical, Biblical end time events.
Anonymous Coward
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02/08/2013 04:22 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
At the suggestion of GLP member SE last week, I decided to do another analysis of 2012 DA14's close approach to earth in February, this time looking for potential collisions with geosynchronous satellites. Although the uncertainty region shows that a collision with earth is not a possibility, a collision with a satellite cannot be completely ruled out. National Geographic even published an article about this on their website back in May, but they never spelled out which satellites are most at risk (though again, "most" in this case is still extremely low).
[link to news.nationalgeographic.com]

Here's my analysis, showing which satellites are at risk:

 Quoting: Dr. Astro


should i bring in my tomato plant?
Anonymous Coward
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02/08/2013 04:23 PM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Hey Astro.

Go read page 5 of Silentlyknowings thread won't you please.

The go watch the CBC NEWS from Canada and have a listen what OUR SCIENTISTS have to say about Earthquakes in relation to Asteroids.

For the rest of you. Whatever portion of the Hemisphere this thing passes closest too. Watch that area for Earthquakes.

Watch all the areas in relation to Earthquakes next time any big magnetic Asteroid comes close to us.

Leave it too our CANADIAN SCIENTISTS to tell the truth of it.

The CBC is a Canadian owned broadcasting company. Owned by Canadians. Not the powers that be.
 Quoting: Anonymous Coward 33915457


could this explain the over 100 5.0+ earthquakes at the santa cruz islands in the last week?
 Quoting: Anonymous Coward 958573


Beyonce is causing that.
Anonymous Coward
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02/14/2013 07:38 AM
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Re: 2012 DA14 - Satellite Collision Risk - Now Ruled Out with New Data on Page 2!!!
Animation showing asteroid 2012 DA14 on Feb. 14, 2013

[link to 2.bp.blogspot.com]

thx @faulkes

Close Approach of Asteroid 2012 DA14
2.bp.blogspot.com/-sGy4GIPcxt0/URzX1jedUlI/AAAAAAAABN0/oQTQTx​Popdg/s1600/2012_DA14_LCOGT_Faulkes_Feb_14_2013.gif





GLP