Ted's paper on B*/ndot2 does not include how C2 is computed, but if you follow his description on computing ndot2 from elsets, you can have Vec2TLE compute B*. Load the program and elset, press Alt-D, insert ndot2 (if not already there) and set B* = -1. Press Enter. Set Ignition YYYYYDDD.ddd equal to "20"Epoch and press Enter, and you will get an elset with B* .00280033 gives 31411-3, vs. 31432-3 from ELOBSENT /Björn _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l
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