Re: Small jumps in inclination

From: Bjorn Gimle (b_gimle@algonet.se)
Date: Wed Jul 02 2003 - 08:58:46 EDT

  • Next message: Harro Zimmer: "Decay Forecast CZ-3 RB Update"

    >
    > What is the physics (or is it mathematics?) behind the irregular jumps
    > in plots (inclination vs. time) by some 0.005 degs for such objects as
    > 27559, 27561, 27597-27601, 27605-27612 etc.?
    >
    Mathematics: For a LEO orbit this corresponds to +- 0.7 km, and this is
    as I recall the approximate accuracy of TLEs.
    
    Physics: Except for seemingly random jumps, there are secular inclination
    changes, ie for the sun-sync orbits about -0.06 degrees/year.
    
    -----------------------------------------------------------------
    To unsubscribe from SeeSat-L, send a message with 'unsubscribe'
    in the SUBJECT to SeeSat-L-request@satobs.org
    List archived at http://www.satobs.org/seesat/seesatindex.html
    



    This archive was generated by hypermail 2b29 : Wed Jul 02 2003 - 10:15:58 EDT