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Questions tagged [geosynchronous]

Questions regarding the type of orbit in which the orbiting object stays in roughly the same location over Earth's surface.

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30 votes
7 answers
23k views

Why is geosynchronous orbit an altitude, rather than a velocity?

When people talk about geosynchronous orbit--an orbit in which the satellite continuously remains "directly overhead" for the same ground position on Earth--they talk about it being at a specific ...
Mason Wheeler's user avatar
6 votes
3 answers
2k views

How are geosynchronous satellites launched to such an incredible height?

Most satellites are launched to a mere fraction of the altitude at which geosynchronous satellites orbit. How are geosynchronous satellites carried so high? Do they store a lot of propellant on ...
Bill's user avatar
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4 votes
2 answers
388 views

How much do eccentricities of different satellites in GSO vary?

It's improbable to get a payload into a perfect orbit, but obviously there is room for error, otherwise payloads in GSO would not work as well as they do. If the target eccentricity for a payload in ...
Stu's user avatar
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16 votes
1 answer
3k views

Why did the recent Sirius FM6 launch use such a high inclination?

Earlier today a Proton-M rocket took off, carrying a Sirius FM6 satellite radio payload destined for geosynchronous orbit. Nothing super exciting, Briz-M upper stage for transfer burns and then the ...
ToxicFrog's user avatar
  • 338
10 votes
1 answer
2k views

At which point would two GSO/GEO satellites with similar orbital elements be closest to each other?

While I was answering another question on How closely spaced are satellites at GEO I came to realize I can't really word it with much conviction how two close proximity satellites in GEO/GSO orbits ...
TildalWave's user avatar
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17 votes
1 answer
37k views

What is the current cost per kg to send something into GSO/GEO?

I was reading this article and thought it was reasonably cheap, probably because I mistook LEO for GEO. What is the going rate to get something into GeoStationary Orbit and Geosynchronous Equatorial ...
Coomie's user avatar
  • 2,907
14 votes
2 answers
5k views

What is the life expectancy of a geosynchronous satellite dependent on?

When a geosynchronous/geostationary satellite is launched, how do its designers calculate its life expectancy? A random sampling of some communication satellites suggest that ~ten years might be the ...
coleopterist's user avatar
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22 votes
2 answers
8k views

How full is the geostationary belt?

The geostationary ring clearly seen in the above picture looks alarmingly crowded. How full is it? How much space does a satellite in that orbit require to operate safely? Surely, (other) ...
coleopterist's user avatar
  • 6,063
30 votes
5 answers
6k views

Do any launches bypass LEO?

If sending a payload to GEO (geosynchronous orbit) or any other high orbit, you could start off launching to LEO (low Earth orbit), and then use a Hohmann transfer to raise the height of the orbit. I ...
AlanSE's user avatar
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12 votes
3 answers
621 views

What creative orbital maneuvers might I do to save fuel for a geosynchronous spacecraft?

I've heard that there might be some creative ways to get to Geosynchronous Orbit that could save a lot of fuel. How might I manage to make this happen?
PearsonArtPhoto's user avatar
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