My understanding is the higher the inclination the faster the orbital plane will pass you by. Clear skies, Bill Mitchell 42 4' 18" N 80 8' 33" W 733' ASL www.telescope.150m.com ----- Original Message ----- From: "Jonathan T Wojack" <tlj18@juno.com> To: <SeeSat-L@satobs.org> Sent: Monday, March 04, 2002 4:13 PM Subject: Launch Window question > > I have a question: > > When the Space Shuttle launches to the ISS, it has a 5-minute launch > window. > > When the Space Shuttle launched this morning, it had a 62-minute launch > window. > > During a recent launch which hauled iridium satellites into LEO, it had a > 0.08-minute launch window. > > > Please tell me if my logic follows: > > When a Shuttle goes to the ISS, it is usually hauling some cargo to an > inclined orbit, thus needing a short launch window to ensure that enough > propellant is available for the mission. > > When the Shuttle goes to the HST, it has a large launch window because it > is not going into a higher inclined orbit. > > When Iridium satellites are being hauled into orbit, a limited amount of > fuel is available. If the rocket is not launched at just the right time, > there would be insufficient fuel for the rocket and its satellites to > reach the required orbit. > > ------------------------------ > Jonathan T. Wojack tlj18@juno.com > 39.706d N 75.683d W > http://www.angelfire.com/stars2/projectorion > 5 hours behind UT (-5) > > > ________________________________________________________________ > GET INTERNET ACCESS FROM JUNO! > Juno offers FREE or PREMIUM Internet access for less! > Join Juno today! For your FREE software, visit: > http://dl.www.juno.com/get/web/. > > ----------------------------------------------------------------- > Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' > in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org > http://www.satellite.eu.org/seesat/seesatindex.html > >
This archive was generated by hypermail 2b29 : Mon Mar 04 2002 - 16:58:12 EST