All Questions
Tagged with quaternionattitude
4 questions
4votes
1answer
78views
Calculating azimuth and elevation of a ground station in satellite coordinate frame
I have a satellite 'Sat' and Ground Station 'GS'. I'm defining elevation and azimuth with respect to satellite boresight which is always pointing at nadir. More specifically, elevation is the angle of ...
- 275
0votes
0answers
1kviews
Spacecraft attitude: rotation between ECI, LVLH, and Body frames
I'm starting to study spacecraft attitude control and I'm quite confused about the attitude representation in different frames. By reading a bunch of textbooks and papers, I understood that I can ...
- 101
3votes
0answers
112views
Finding reference quaternion of a satellite in orbit
How can i find the reference quaternion of a satellite after it has detumbled? I need the quaternion to be able to successfully actuate my payload, which in this case will be a hyperspectral imaging ...
19votes
1answer
8kviews
What are quaternions and how are they used to represent spacecraft dynamics?
The title says it all. Quaternions are widely used to represent the orientation of a spacecraft. Why is that, and how do quaternions compare to other alternatives?
- 78k
