[amsat-bb] Re: future apogee calculation
Vince Fiscus, KB7ADL
vlfiscus at mcn.net
Thu Feb 25 14:26:37 PST 2010
At 05:07 PM 2/25/2010 +0000, Bob- W7LRD <w7lrd at comcast.net> wrote:
>Hello Is there a "easy" way of figuring out where/when a given apogee will
>at a given lat.long? I want to try to predetermine when the apogee will
>be on AO-7 to favor the northern hemisphere. To "maybe" help in dx
>contacts. The difference is only bout 17km in altitude, it just might
>streeeetch the footprint enough. Also just how much does the 17km add to
>the footprint? 73 Bob W7LRD
OK, Now to answer your question Bob.
If you want that extra 15km of altitude you get with AO-7 at apogee, the
next time AO-7 will be having apogees at the most northern latitudes it
reaches will be on orbits around June 17th to the 18th. Apogee will occur
around 78 degrees N Lat.
KB7ADL
More information about the AMSAT-BB
mailing list