My location is 41 degrees 36 minutes north, 71 degrees 6 minutes west. > ----- Original Message ----- > From: "Björn Gimle" <bjorn.gimle@gmail.com> > To: "tom" <loeblt@gmail.com> > Cc: <seesat-l@satobs.org> > Sent: Saturday, June 23, 2012 3:43 PM > Subject: Re: unidentified object > > > There are about 20 objects in 46 degree inclinations with more or less > eccentic orbits, mainly russian rockets and parts. Theoretically, one > of them could move through perigee at ~90 km height at some 250 km > range, and >10 km/s, more or less W to E. > > That gives slightly more than two degrees/s > > What is your longitude, and more accurate latitude ? > > /Björn > > 2012/6/23 tom <loeblt@gmail.com>: >> Hi, >> I have no background in serious satellite tracking but have seen hundreds >> of them during my nights out with my telescope imaging sessions and I can >> tell the difference from a plane or meteor. I was preparing to do some >> imaging of the near-earth asteroid 2012 LZ1 on the evening of June 17th >> during late twilight. I saw a naked-eye object moving more or less west >> to east, north of my zenith, passing perhaps 10 degrees south of Polaris >> (I am at 41 degrees north latitude) at around 0120 Z. It was probably >> between mag 0 and -1, brighter than Vega. I initially thought it might >> have been the ISS but the object was moving faster than I have ever seen >> a satellite move, probably 2-3 degrees per second. I lost it about 20 >> degrees above the eastern horizon due to the local tree line. What sort >> of relative velocity would an object in orbit move if it was at the >> lowest possible orbit before burning up? >> >> Tom >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> http://mailman.satobs.org/mailman/private/seesat-l/attachments/20120623/47415035/attachment.html >> _______________________________________________ >> Seesat-l mailing list >> http://mailman.satobs.org/mailman/listinfo/seesat-l > > > > -- > ---------------------------------------- > Björn Gimle, COSPAR 5919 > 59.2576 N, 18.6172 E, 23 m > Phone: +46 (0)8 571 43 312 > Mobile: +46 (0) 704 385 486 _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l
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