Russian Anti Satellite Test
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Russian Anti Satellite Test
https://www.theguardian.com/science/202 ... eapon-test
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Re: Russian Anti Satellite Test
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Re: Russian Anti Satellite Test
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Re: Russian Anti Satellite Test
Definitely not a mistake, it was an anti satellite missile test by the Russian military!
I wonder if they asked Roscosmos first?
Regards
Graeme
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Re: Russian Anti Satellite Test
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Re: Russian Anti Satellite Test
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Re: Russian Anti Satellite Test
"Russia acknowledges anti-satellite test, but says it’s no big deal"
https://arstechnica.com/science/2021/11 ... -big-deal/
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Re: Russian Anti Satellite Test
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Re: Russian Anti Satellite Test
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Re: Russian Anti Satellite Test
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Re: Russian Anti Satellite Test
US - conducted anti-satellite (ASAT) tests in 1959 (unknown debris count), 1963 (unknown debris count), 1985 (>2000 pieces of debris). Then in 2008 we did not test the capability but used it to destroy one of our spy satellites in orbit as a way of decommissioning it (~174 pieces of debris -- seems a bit on the low side for a 1500 pound 15 by 7 foot satellite).
CHINA - conducted ASAT test in 2007 (~3500 pieces of debris)
RUSSIA - conducted the current ASAT tests in the 1970s (~700 pieces of debris), and this year, 2021 (~1500 pieces of debris).
INDIA - conducted ASAT test in 2019 (~25 to 50 pieces of debris)
So all four countries have contributed to the junk through these tests. Earth orbit in now openly and publicly the operating domain of both the commercial and military entities of the world's industrial nations. I think it is safe to say that the debris problem is not going to go away through agreed abstinence. So other solutions will need to be employed. Cleaner satellites are probably the best approach. I would imagine that most of the debris is only in a broad equatorial plane. Portions of the polar orbit I imagine are quite clear (just guessing).
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Re: Russian Anti Satellite Test
"New images and analyses reveal extent of Cosmos 1408 debris cloud"
https://arstechnica.com/science/2021/11 ... ris-cloud/
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Re: Russian Anti Satellite Test
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- smp
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Re: Russian Anti Satellite Test
"Russian anti-satellite missile test was the first of its kind"
https://www.space.com/russia-anti-satel ... f-its-kind
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Re: Russian Anti Satellite Test
"Visualizations show the extensive cloud of debris Russia’s anti-satellite test created"
https://www.theverge.com/2021/11/19/227 ... alizations
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- GCoyote
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Re: Russian Anti Satellite Test
1. The accelerating growth in the number of satellites in orbit
2. The exponential growth in the amount of debris
3. The transition of spacecraft from few in number and important only to opaque national security interests to their proliferation and integration into global commerce
4. The late realization and serious analysis demonstrating that Earth orbit is not an unlimited resource - https://en.wikipedia.org/wiki/Kessler_syndrome
FWIW the 2008 US intercept was actually an ABM demonstration shot using a target satellite that was already on its last few orbits at very low altitude. The bulk of that debris cloud has already burned up. Debris in higher orbits can be expected to remain a threat for decades at the least.
Certainly someone in the Russian government made a very bad decision. I will forego speculating as to how that decision came about.
Gary C
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