Please what does RAAN stand for Thanks Ulhas Deshpande ----- Original Message ----- From: "P B Bharadhwaj" <psbad1@sancharnet.in> To: <SeeSat-L@satobs.org> Sent: Monday, 21 April, 2003 17:37 Subject: Re: Distribution of Geosynchronous Satellites > The NASA animation made me realize what should have been obvious from the > beginning : the split-off belt of satellites represents a population that > has RAAN and inclination values that are clustered in some narrow range. > (Thanks, Thomas!) > > Well, if you plot a histogram of the RAAN, you do see a wide peak around 60 > degrees. What is even more interesting is that the satellites lying within > this belt have an amazing (to me, at least) correlation between the RAAN > and inclination values. > > I have posted the plots here in case anyone is interested : > c15_manali.tripod.com/geo/geo.htm > > Any explanations about this phenomenon? Is there some technical reason to > deliberately use such orbits, or is it that abandoned satellites tend to > gravitate into this kind of orbit -- a la "strange attractor" ? > > > Regards, > Praveen > > > ----- Original Message ----- > From: "Thomas Fly" <thomasfly@j2ee-consultants.com> > To: "SeeSat-L" <SeeSat-L@satobs.org> > Sent: Sunday, April 20, 2003 9:53 PM > Subject: Re: Distribution of Geosynchronous Satellites > > > NASA has a cute Java applet at > > http://liftoff.msfc.nasa.gov/RealTime/JTrack/3D/JTrack3D.html that may > help > > you see what's going on. [edited] > > > > > > ----------------------------------------------------------------- > To unsubscribe from SeeSat-L, send a message with 'unsubscribe' > in the SUBJECT to SeeSat-L-request@satobs.org > List archived at http://www.satobs.org/seesat/seesatindex.html > ----------------------------------------------------------------- To unsubscribe from SeeSat-L, send a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@satobs.org List archived at http://www.satobs.org/seesat/seesatindex.html
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