Hi Dejan, hope you are well matey.
... Again, I have studied the video several times more and still cannot get past the fact that "this thing is a balloon" ... but then as is my bent, I am always willing to consider alternative explanations when the obvious identification is doubted by my fellow students. And so then the natural first call would probably be some kind of 'Drone', and as I am aware that the technical advance rate on such items as these is pretty near mind-blowing, I wouldn't be surprised if this thing turned out to be just that! ... for instance there is this spherical drone that was demonstrated about 10 years ago in Japan .. not an exact match I grant you, but then it wouldn't take very much imagination to make this look like 'tech from the 1950's sputnik era' ..
... I think it would be a easy endeavour for some mischievous technojoker to accomplish, ... but then , although this may well be a feasible candidate, imho it's a balloon.
I see that your arguments against this thing being a balloon are a mirror of what is said in the video by the 'pro-anomaly-very-much-interested-party' [ie. the people that have the sole goal of accumulating as many 'anomaly-viewers' as possible] ... and they emphasize the points of ...
A. Stop Start Movement.
B. Failure To Move With The Wind.
C. Metallic Appearance.
D. Independent Moving Antennae-Like Appendages.
... My response to this would be...
A. would be that a floating balloon has movement of stops and starts depending on wind.
B. How do we know how much wind there was at the time? .. and the object was at least oscillating all of the time.
C. Mylar comes in many colours.
D. We only have hearsay from the witness that the Antennae 'independently moved', as I said I have studied the video and still cannot verify this claim.
...also in the film, .. the only other witness was 'the guy in the next garden that said "he looked at it , didn't think it was noteworthy, and doesn't want to comment on it!"
... And lastly, if you look closely at the video, between about 9 mins and 20 seconds to 9.25 , there is a clear and definite 'jerk and wobble' that supports 'The Tethered Balloon Hypothesis' that until disproven, i've personally settled upon.
... ps. as to the phtographer's [witness] military-service credentials that the commentator was labouring ... he is in actual fact 'basically a base marriage guidance councillor!' ... hardly a skyborne anomaly expert.
Cheers Buddy.