[amsat-bb] Russian Thing
Joe
nss at mwt.net
Tue Jul 18 16:41:40 UTC 2017
Wow! does this guy have any clue at all?
A Pass tonight for me,
Start Max altitude End Visible passes
19-Jul 01:08 N
8° *01:14* *WNW
298°* *61°* 01:20 SSW
203° - Map and details <http://www.n2yo.com/passes/?s=42830#>
Sig It will be almost straight north when coming and reach probably at
least 45 degrees at 1 AM in the moning before eclipsing. I think it's as
dark as it is gonna be at 1 am
Joe WB9SBD
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 7/18/2017 11:31 AM, Paul Andrews wrote:
>
> Taken from newsarticle:
>
> Jonathan McDowell, an astronomer at the Harvard-Smithsonian Center for
> Astrophysics, told IFLScience: "I think at least one of these can be
> lived with, but if there were a bunch of them it would make modern
> astronomy almost impossible."
>
> Not all astronomers think it's a bad idea, however. Michael
> Wood-Vasey, from the University of Pittsburgh, said Mayak was "quite
> unlikely to be a problem for astronomers."
>
> He added: "Mayak is orbiting just above the day/night terminator line
> – it's always sunrise/sunset below where Mayak is orbiting. It will
> thus be too low on (or even below) the horizon when it really gets
> dark enough for astronomers to observe."
>
>
>
>
>
>
> On Tue, Jul 18, 2017 at 12:26 PM, Joe <nss at mwt.net
> <mailto:nss at mwt.net>> wrote:
>
> Why do you think it will be low in the sky?
>
> Joe WB9SBD
>
> The Original Rolling Ball Clock
> Idle Tyme
> Idle-Tyme.com
> http://www.idle-tyme.com
> On 7/18/2017 11:22 AM, Paul Andrews wrote:
>> Will this reflector tumble or be stabilized?
>>
>> If it's a corner reflector - it could have gain in some direction.
>>
>> My guess is that this size object would reflect 2M signals and up.
>>
>> The moon is bigger but only reflects 7% of RF energy and it's
>> much farther away.
>>
>> I'm sure someone will try to bounce an RF signal off this mylar sail.
>>
>> It should be easy to see from the ground. :) But very low
>> in the sky.
>>
>> 73 - Paul - W2HRO
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Tue, Jul 18, 2017 at 12:16 PM, Joe <nss at mwt.net
>> <mailto:nss at mwt.net>> wrote:
>>
>> It says once opened it will
>> "
>> It will span 16 square meters (170 square feet)"
>>
>> a Triangle one side of 170 sqft = 18 feet base to peak. But
>> if they are saying 170 sqft total, then divided by 3 = 10
>> foot tall base to peak.
>>
>> Now for a surface to be reflective, how big does it need to
>> be in terms of wvelength?
>>
>> Joe WB9SBD
>>
>> The Original Rolling Ball Clock
>> Idle Tyme
>> Idle-Tyme.com
>> http://www.idle-tyme.com
>> On 7/18/2017 11:02 AM, Paul Andrews wrote:
>>> Will this object reflect RF signals?
>>>
>>> Maybe reflect like meteor scatter?
>>>
>>> Maybe too small.
>>>
>>> On Jul 18, 2017 11:58 AM, "Joe" <nss at mwt.net
>>> <mailto:nss at mwt.net>> wrote:
>>>
>>> he he eh that's why I asked here for a web page or
>>> similar I saw that also, and thought, ummmm I'm
>>> interested,, but NOT THAT INTERESTED!! he he he
>>>
>>> Joe WB9SBD
>>> Sig
>>> The Original Rolling Ball Clock
>>> Idle Tyme
>>> Idle-Tyme.com
>>> http://www.idle-tyme.com
>>> On 7/18/2017 10:29 AM, skristof at etczone.com
>>> <mailto:skristof at etczone.com> wrote:
>>>
>>> Am I the only person who is worried about
>>> downloading an app from Russia
>>> onto my smartphone?
>>>
>>> Steve AI9IN
>>>
>>> On 2017-07-18 10:50, JoAnne K9JKM wrote:
>>>
>>> Hi Joe,
>>>
>>> Heavens-Above.com now has pass predictions up
>>> for the new Russian
>>> reflector sat "Mayak," listing it as NORAD ID
>>> 2017-042F/42830.
>>> http://www.heavens-above.com/PassSummary.aspx?satid=42830
>>> <http://www.heavens-above.com/PassSummary.aspx?satid=42830>
>>> (that's the page but no predictions were
>>> actually listed the last time
>>> I checked it.)
>>>
>>> Plus Mayak has its own app, available to those
>>> who back the project.
>>> See: http://cosmomayak.com/default#mobileapp
>>> <http://cosmomayak.com/default#mobileapp>
>>>
>>> On 7/18/2017 9:42 AM, Joe wrote:
>>>
>>> While not really a Com bird, it still me be
>>> interesting to spot.
>>> Does anyone know of a tracking site for this?
>>>
>>> http://www.iflscience.com/space/russian-scientists-just-launched-a-controversial-artificial-star-that-might-anger-astronomers/all/
>>> <http://www.iflscience.com/space/russian-scientists-just-launched-a-controversial-artificial-star-that-might-anger-astronomers/all/>
>>> Joe WB9SBD
>>>
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>>
>>
>
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