Questions tagged [geostationary]

Questions about orbits whose position in the sky remains the same for a stationary observer on the primary body.

Filter by
Sorted by
Tagged with
3
votes
2answers
423 views

Small payload to Low Earth Orbit

I was wondering if it is possible to send a small payload to LEO or somewhere above 200 km (130 miles) if you are not a rocket scientist? By small payload I mean under 1 kg (Solid State Drive, GPS, ...
15
votes
2answers
5k views

Are any geosynchronous satellites visible with the naked eye?

It is very easy to spot LEO satellites during dusk or dawn. I am wondering if satellites further out in a geosynchronous orbit are also visible. Of course, if even possible, these would appear more ...
5
votes
2answers
411 views

Why is the SES launch going to an apogee of 80,000 km?

Why is the apogee of the Falcon 9 SES launch going clear out to 80,000 km? GEO is only 36,000 km or so, it seems like a waste to go so far beyond it.
13
votes
2answers
10k views

How long does it take for a satellite to reach GEO?

Specifically for the SpaceX SES-8 mission going on right now. But, generally, how long does it take for a satellite to reach GEO at a minimum?
8
votes
1answer
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 ...
9
votes
3answers
1k views

What kind of liquid propulsion systems do GEO satellites use?

Coming from a question about distances between satellites in GEO, what liquid propulsion systems do a majority of GEO satellites carry to maintain their slot positions? It is easy to find information ...
22
votes
3answers
23k views

How closely spaced are satellites at GEO?

As the picture below (kind of) shows, there are lots of satellites in geostationary orbit. Couple this with the fact that certain longitudes are more desirable than others (like above North America or ...
15
votes
1answer
35k 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 ...
12
votes
3answers
3k views

What is the maximum mass of a satellite that can be placed in GEO?

What is the maximum mass of a satellite that can be placed in GEO? Or can satellites of any mass be placed in GEO?
11
votes
2answers
419 views

Is it feasible to pump fuel into orbit?

Imagine a huge fuel depot in geostationary orbit. Suppose further that it is tethered to the Earth and that there's a large hose snaking down all the way. Is it feasible to pump fuel up 35,786km? Can ...
21
votes
2answers
7k 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) ...