David, That was my idea too. I've seen some picture on the internet with the complete stack. Will try to find it again tomorrow. ----- Original Message ----- From: "David Anderman" <davida@cwo.com> To: "seesat-l" <seesat-l@satobs.org> Sent: Monday, March 12, 2007 10:27 PM Subject: Re: Orbital express orbit > Leo: > > The "C" object is probably the OrbEx launch adapter then, jettisoned so > that it would not have to be carried by Centaur any further than > necessary, that is my guess. This would leave the "A" object as the > combined payload. > > DWA > > > At 02:20 PM 3/12/2007, Leo Barhorst wrote: >>Perhaps this is outdated? It is from Aug 24, 2006. >>See the 3rd paragraph. >>Separation later in the 3 month mission. >> >>I watched the launch on the internet. >>In a real time simulation they showed the relase of Astro with NextSat >>still on top of it. >>If I remember well the commentator also said that first test were to >>performed with the >>sats still attteched, including the manipulator arm. Later on they would >>separate and >>dock again. No details on the timeline. >> >>On the following URL I found conformation for this. >>http://www.aiaa.org/aerospace/images/articleimages/pdf/AA_Feb07_WIL.pdf. >> >>The DARPA mission is expected to last three >> >>or four months, starting slowly with a few weeks >> >>of systems checks and some fluid transfers >> >>while the two satellites are still mated in their >> >>launch configuration. >> >>"Then we will use the arm, starting slow and >> >>working up to more complicated operations, to >> >>detach NextSat from ASTRO and eject the separation >> >>ring that will help us during the launch. >> >>Then we reattach, do another set of fluid transfers, >> >>then some battery and computer component >> >>replacements (the computer will be on ASTRO, >> >>then taken off, then put back on ASTRO, >> >>but never switched to NextSat)," Geery says. >> >>"Then we start unmated operations, again >> >>starting slow, backing away to 10 m, then remating, >> >>then gradually getting farther away, ultimately >> >>to a baseline of 7 km. But we have designed >> >>for cases up to 200 km, with autonomous >> >>guidance back to dock." >> >>Greetings and clear skies >>Leo Barhorst - Medemblik - The Netherlands >>Homepage: www.satlist.nl >> >> >> >>------------------------------------------------------------------------- >>Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: >>http://www.satobs.org/seesat/seesatindex.html >> > > ------------------------------------------------------------------------- > Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: > http://www.satobs.org/seesat/seesatindex.html > > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.446 / Virus Database: 268.18.9/719 - Release Date: 12-3-2007 > 8:41 > ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
This archive was generated by hypermail 2b29 : Mon Mar 12 2007 - 17:50:11 EDT