
#1
Jan3114, 09:48 AM

P: 4

Hello
I would like to understand the resonance phenomenon that can occurs when we deals with satellite's orbits. Here what it is said about it : http://lib.freescienceengineering.or...submit=Dig+for What does libration mean ? What things should we be carreful when we deal with resonance ? Thanks 



#2
Feb114, 02:51 PM

P: 116

Libration is usually a sort of circulation around in a pattern. Secular motions are verylong period, so much so that they can seem to be nonperiodic, and seem to just flow in one direction.
Resonances are usually just simple numeric ratios between bodies in orbit. There is a famous one between Jupiter and Saturn  5 orbits of Jupiter take place in roughly the same time as 2 orbits of Saturn. 



#3
Feb214, 02:39 AM

PF Gold
P: 1,570

4. A resonance occurs when there is a nearexact relation between characteristic frequencies of two bodies. For example, a meanmotion resonance occurs between two
planets with orbital periods... copy and past from this article. LECTURE NOTES ON THE FORMATION AND EARLY EVOLUTION OF PLANETARY SYSTEMS http://arxiv.org/pdf/astroph/0701485.pdf its briefly covered in chapter 4. page 3 hope this helps as well as the article itself 


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