----- Original Message ----- From: "Anthony J. Kroes" <akroes@venomtech.com> To: <SeeSat-L@satobs.org> Sent: Monday, July 14, 2003 1:20 PM Subject: RE: Formations/groups 1. What is 'OIG' ? - Orbital information group. A nasa web site where you can get the orbital elements for unclassified satellite's. http://oig1.gsfc.nasa.gov 2. I see a lot of rows of numbers posted on these messages. Assuming they are orbital elements, why are there 2 different formats, what is the difference between them, and what does the information do for me (or anyone else reading it), and how do I use that info? - Some numbers are orbital elements, while others are people observations in a format that software uses to update the orbital data of classfd satellites, ie us military. 3. What are orbital 'planes'? Imagine a peice of paper going through a globe of the earth. The peice of paper is the plane of the satellite's orbit. 4. When you say "52 Globalstar satellites at 52 degrees", what does that mean? Is there a correspondence with the number of satellites and the orbits? Are they all at '52 degrees'? What is that measured from - the ground, azimuth, etc? That's the inclination of there orbits. So if it's 52 degrees, then the orbit is inclined 52 degrees to the earth's equator. ----------------------------------------------------------------- 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
This archive was generated by hypermail 2b29 : Mon Jul 14 2003 - 13:57:56 EDT