All - Certainly Landsat and DMSP have been around a while, but the NRO launches even from years ago have carries sub-satellites. I just wonder if DMSP F-20 might carry small sats along? Charles > On March 25, 2015 at 7:45 AM Paul Cefola <paul.cefola_at_gmail.com> wrote: > > > > > Charles, > > Landsat and DMSP are very old mission architectures dating from the late > 1970s' and early 1980s', before launching swarms of smallsats and microsats > was from a larger 'main' satellite was considered. > > > However the idea of deploying much smaller vehicles from a larger aerospace > vehicle was understood. > > > Paul Cefola > > > On Tue, Mar 24, 2015 at 2:15 PM, Charles Phillips via Seesat-l > <seesat-l_at_satobs.org> wrote: > > All - > > As a lurker... > > Perhaps someone knows some illuminating information or speculation. > > Why have Landsat and DMSP and some other flights NOT carried small > satellites, > CubeSats, etc? They likely have plenty of performance, etc. > > While NRO flights like the launch of USA 247, International Designator > 2013-072 > scattered subsatellites all over the place? > > Launch of USA 238, International Designator 2012-048 - scattered many > others. > > Any ideas? > > > Charles D Phillips > Intelligent Commercial Spaceflight > 713-882-4578 > www.intelligentcommercialspaceflight.com > > _______________________________________________ > Seesat-l mailing list > http://mailman.satobs.org/mailman/listinfo/seesat-l > > Dr. Paul J. Cefola > Consultant in Aerospace Systems, Spaceflight Mechanics, & Astrodynamics > Adjunct Faculty, Dept. of Mechanical and Aerospace Engineering, University at > Buffalo (SUNY) _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Wed Mar 25 2015 - 14:31:39 UTC
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