Questions tagged [high-earth-orbit]

HEO is an orbit significantly above the geostationary orbital line at approximately 35,786KM from sea level.

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Are spacecraft put into Earth orbit frequently equipped with small thrusters to separate their orbits from their co-orbiting rocket bodies?

Brandon Rhodes' retweet says I’ve recently followed @TSKelso as a fun way to keep up with the surprising volume of rocket launches these days, and the new http://celestrak.com viewer shown here is ...
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Does Kepler's Method for Determining Time of flight between two True Anomalies break down with eccentricities approaching 1?

Pretty simple question here. I'm calculating time of flight between two true anomalies by converting those true anomalies to mean anomalies and using the following equation: $\Delta t = t_2-t_1 = \...
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Delta-v penalty for stopping in a distant Earth orbit versus using atmospheric reentry for braking and returning to Earth from Mars?

Comments below this answer to What precautions are planned to prevent an accident or anomaly from releasing Martians into Earth's environment? say: Seems to me like a high earth orbit lab might be a ...
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How many hours long is Earth's longest possible sub-orbital flight?

This comment below How long will last the Blue Origin New Shepard space flight? says (in part): The words "suborbital spaceflight" as the first words on Blue Origin's webpage for the New Shepard ...
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How is Spektr-R doing these days?

Under the question What are Spectr-R's major contributions to radio astronomy that could not have been done from Earth? there is a new comment that points (again) to the BBC News article Spektr-R: ...
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Have any astronauts/cosmonauts died in space?

After some casual reading around on the internet I got to the accidents that have occurred over the years in space exploration. I got to wondering that while I know that astronauts have died during ...
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What could a High Earth Orbit be used for in practice?

I was perusing wikipedia and saw this awesome infographic: Original location of infograhpic: Wikipedia Then it hit me, in all the time I've been browsing space articles and such... I've never ...
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Can modified solar sail use Earth's atmosphere to correct an eccentric orbit?

A solar sail power satellite used create thrust as a while in orbit around Earth will gain eccentricity because it can only propel from on side of the Earth. When the orbit will become eccentric ...
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What artificial satellite has the farthest orbit around the Earth?

What is the furthest Earth orbiting satellite? What is its speed and purpose?
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Can a satellite work like a radiometer?

Like a Crookes Radiometer, could a satellite have a stiff vain to maneuver? With a white side to let light pass and the black side capture light radiation be enough provide radiation pressure to keep ...
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What is the basic mechanics behind the way the orbits of the twelve Vela spacecraft evolved over decades?

After reading the question Where is Vela 1A? Is there any information what its orbit would be like now? and the answer there, it looks like they were deployed in roughly 5 day, 100,000 km circular ...