Noticing that the decay path seems to now be switching quite significantly between "steep" and "shallow": PURE speculation: if the spin of ROSAT is VERY slow (approaching 1 rev per day) I would imagine that it would would "present" a noticeably different Cd for with a period of days. Too far fetched? Paul Salanitri On Fri, Oct 21, 2011 at 10:34 AM, Paul Salanitri <paul.salanitri@gmail.com>wrote: > Hi All, > > Did something just happen with ROSAT or was the last TLE slightly faulty? > TLE Date = 11293.50992300 > > It seems there was a rapid loss in perigee (not apogee) over and above its > tracking decay. > > Could that be from Solar Flux, or has it now oriented itself to increase > it's Cd?? > > [Okay -just then; got a newer TLE, it's come back a bit, but definitely a > change]. > > It seems the quite predictable satellite to date now wants to have some > fun. > > Significant when viewed like this, attached image - if it will let me, no > it won't : here's the link http://twitpic.com/73b4iu > > > > Paul Salanitri > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: http://mailman.satobs.org/mailman/private/seesat-l/attachments/20111021/adac5f03/attachment.html _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l
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