Linked Questions
13 questions linked to/from Have spacecraft ever dipped below the Karman line and then safely continued spaceflight?
16
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What are the conditions for re-entry of an object in a (highly) elliptical orbit?
There's something I don't understand:
When it comes to de-commissioned satellites, rocket bodies etc. I thought one way of re-entry was via a highly elliptical orbit: The perigee gets low enough (app....
12
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2
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Why is FAI considering lowering the Karman Line to 80km?
I ran across this FAI statement
The Karman line is the 100km altitude used by FAI and many other organisations to mark the “boundary” of space . In the last few years there have been many scientific ...
4
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3
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When do aircraft become solarcraft?
Any body travelling through particles undergoes drag. Any body able to generate lift (for instance spheres cannot generate lift) can generate lift if it undergoes drag.
First by assuming one body in ...
9
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1
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Did the Soviet Union put an unmanned satellite in "very low orbit"above the Kármán line which used aerodynamic attitude control?
This interesting, archived page https://www.webcitation.org/618QHms8h?url=http://www.fai.org/astronautics/100km.asp which I found in this answer, says:
Later in the same decade (or very early in ...
2
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3
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Is there any kind of research on *sub*-orbital rendezvous-ing with a space tug outside the atmosphere?
The key difference with a plain old-fashioned orbital rendezvous would seem to be that there'd be limited time to only briefly match velocities and trajectories:
Let's say a vehicle launched from ...
11
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1
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592
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Did the crew of Soyuz MS-10 pass the Karman Line?
Just wondering if Nick Hague got his gold astronaut wings.
3
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1
answer
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Do owners of reentering spacecraft notify the countries' whose airspace they are likely to violate and seek permission?
@PearsonArtPhoto's answer contemplates:
Any object that is below 100 km now is considered an aircraft, and technically needs the permission of the country over which it is flying to enter that air ...
1
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2
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Does Jonathan McDowell access U.S. military tracking network data? If so, how? Is a security clearance involved? (Can I too?)
NPR's news item and audio podcast New Chinese Space Plane Landed At Mysterious Air Base, Evidence Suggests draws heavily from information and quotes from noted astronomer with the Harvard-Smithsonian ...
3
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1
answer
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When is/will be the symposium to revisit the Karman line and consider the "McDowell line"?
In the January 16, 2019 Sixty Symbols video Where is the edge of space? Dr Meghan Gray from the University of Nottingham discusses Jonathan McDowell's paper The edge of space: Revisiting the Karman ...
5
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2
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Using lasers to reach the Karman line
I've just seen this Anton Petrov video: New Type of Laser Levitation Could Help Us Explore the Mesosphere. It's about this new form of levitation that uses lasers to heat up the air underneath a craft,...
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2
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What's the *calculation* for the altitude near the Kármán line where the lifting force equals the centrifugal force? [duplicate]
Edit:
This question is not a duplicate of the associated question and has no answers to it that were posted for that associated question. This question asks specifically for a calculation, the ...
5
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1
answer
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Is there a standard 'low orbit' for other solar system bodies?
Is there a standard or convention for what 'counts' as a low orbit for other solar system bodies?
I'm currently writing code for computing arbitrary Hohmann/ patched conics transfers, and I am looking ...
5
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1
answer
308
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Are satellites whose orbits go below 100 km perigee considered having multiple spaceflights?
The International Aviation Federation (FAI) considers the space border at 100 km (330,000 ft) above sea level. So if an orbiting body goes below that altitude and continues its orbit without ...