All Questions
Tagged with artificial-satellitegeostationary
32 questions
3votes
0answers
79views
Eutelsat 13G and Spacebus NEO's all-electric propulsion
Today, Eutelsat's Hotbird-13G was launched by a Falcon 9 to a "geosynchronous transfer orbit". Deployment was at an altitude of roughly 1100 km. The satellite must reach a geosynchronous ...
2votes
1answer
223views
Creating a classroom tool for satellite location
I would like to create a sun-dial type project for seventh graders which they can use to locate their favorite geostationary satellite. These are the kids who will probably hear about satellites for ...
- 129
7votes
1answer
1kviews
What size are the typical keep-inside boxes of geostationary telco satellites?
Geo sats need station-keeping and the size of their keep-inside box is a design parameter. A smaller box implies more manoeuvres to stay inside the box. All depending on the various orbit ...
10votes
2answers
3kviews
When and why did three-axis stabilization become prominent in geostationary satellites?
Since the very first Sycom 1, geostationary satellites from 1960s to 1980s are cylindrical with solar cells covering the body of the satellite. Such examples include: GOES 1 to 7 AsiaSat 1 and its ...
- 1,138
2votes
1answer
811views
How to calculate the height above the horizon of a geostationary satellite on a given latitude?
Wikipedia's Geostationary orbit; Communications says: Geostationary communication satellites are useful because they are visible from a large area of the earth's surface, extending 81° away in both ...
- 123
6votes
2answers
347views
Are there any satellites in geosynchronous orbits that are neither geostationary nor 'wobbly geostastionary' (figure of eight geostationary)?
None of the examples in this question: Are there any satellites in geosynchronous but not geostationary orbits? are nothing like geostationary. They still stay above the one side of the earth. What ...
4votes
1answer
240views
Satellites Orbital Parameters
I want to access satellites' orbital parameters like inclination, right ascension of ascending node and argument of perigee. Unfortunately, I haven't been able to find this information. Is there a ...
- 73
8votes
1answer
1kviews
Why does Himawari-8 have problems with the Sun from 19th February to 19th April?
This weather site uses provides meteorological imaging from the Himawari-8 Earth observing satellite in GEO. https://www.cwb.gov.tw/eng/ The web site contains the following item: ...
- 153k
4votes
1answer
225views
Analytical treatment of relative positions between satellites?
I have been searching the internet for estimation of relative position between two satellites. However, all sources seem to be pointing to methods used for proximity operations, where the math ...
6votes
3answers
475views
Inclination maneuvers for GEO satellites
I was wondering about the orbital location to perform inclination nulling maneuvers for GEO satellites. I know from basic astrodynamics that the best place to perform inclination correction is at ...
52votes
1answer
5kviews
Are there any satellites in geosynchronous but not geostationary orbits?
I know there are a lot of geostationary satellites out there, but I'm wondering - are there any geosynchronous satellites that are not geostationary (ie - have a notable inclination to their orbit)?
- 663
3votes
3answers
698views
Are geostationary orbits impacted by changes to earths magnetic field?
Would geostationary satellites be pushed to different orbits by changes in the magnetic filed or even more so by shifting poles or even a reversal?
- 133
4votes
1answer
1kviews
Is it possible to capture geostationary satellites with DSLR?
DSLR is to be mounted on a tripod and pointed at sky with a zoom lens. Would a sufficiently long duration of exposure reveal these non-moving satellites as bright "stars" amongst the streaks caused ...
- 4,499
6votes
2answers
9kviews
What is a typical satellite solar panel mass?
Does anyone know a reliable source to find the mass of solar panels on satellites (in particular GEO satellites)? I know they will vary but I am struggling to even find one data point let alone a ...
- 165
0votes
2answers
851views
If we make a "Ring around the earth" in orbit - a wire ring in orbit - could we use it generate electricity?
I envision a conductive wire that is extruded out of a satellite as it completes it orbit, and then goes past it's start point a bit before stopping the extrusion. Then the satellite is sent to grab ...
- 29
