At 01:20 PM 4/7/97 +0100, Neil Clifford wrote: >Don Horton scribbles: >|>PROGRESS M-34 >|>1 99934U 97096.84632249 .00089254 33053-7 10474-3 0 15 >|>2 99934 51.6515 84.9369 0029281 134.7360 225.6044 16.06921815 40 >|> >|>State Vector courtesy Vladimir Agapov converted using Ken Ernandes VEC2TLE > >Just a word of (slight) caution. I might be wrong but I think that >Vladimir's state vactors are epoch J2000 whilst vec2tle requires >Besselian epoch 1950. It might not amount to much difference (I can't >check at the moment) but you may wish to precess x,y,z and derivatives. > I believe you are correct about VEC2TLE. I haven't the foggiest about Vladimir's vectors (if he sees this, maybe he can let us know?). If anyone observes M-34 using these keps, I'd appreciate a note as to their accuracy (or lack thereof). A learning experience.... And my thanks, Neil, for your comments! ****************************************************************************** Don Horton N1ISB Amateur Radio: http://www.vgernet.net/dhorton/nobarc.html Weather : http://www.vgernet.net/dhorton/wx.html Satellites : http://www.vgernet.net/dhorton/birdhunt.html N1ISB/Rover : http://www.vgernet.net/dhorton/rover.html