Does anybody know if the suit that is going to be ejected was worn on an EVA, and if so, by whom and when? Jos Heyman >From: "Ted Molczan" <seesat@rogers.com> >To: <SeeSat-L@satobs.org> >Subject: RE: SuitSat 3 Feb 2006 >Date: Thu, 26 Jan 2006 19:47:26 -0500 > >Dale Ireland wrote: > > > I would assume that the suit will have a lot of drag and not > > stay near the ISS long unless they are tethered. Any > > estimates of the drag or decay rate? > >In his excellent satellite catalogue, Jonathan McDowell lists a couple of >Russian Orlan DMA spacesuits, discarded from Mir in 1990 and 1991: > Decay Comment >20407 1986-017BY Orlan-DM No. 7? 1990-Jun-27 large piece (5 sq m >RCS) >21603 1986-017EV Orlan-DMA No. 10 1991-Oct-05 > >86017BY decayed after about 166 d; 86017EV about 74 d. The latter initially >decayed at about four times the rate of Mir, ad took 42 h to move 100 km >ahead >of Mir, about 14 s at orbital velocity. > > > > Any estimates of the magnitude? > >I estimate mag 4 to 6, under the most favourable circumstances, while suit >at >ISS altitude. > >Ted Molczan > >------------------------------------------------------------------------- >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
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