Re: STS-74/Mir

Philip Chien (kc4yer@amsat.org)
Wed, 15 Nov 1995 23:55:13 -0400

>Neil Clifford <n.clifford@physics.oxford.ac.uk> said -

>Current element sets:
>
>Mir
>1 16609U 86017A   95318.73639129  .00002588  00000-0  24865-4 0  9138
>2 16609  51.6468 123.6495 0003326 326.3029  33.7914 15.58008319556422
>
>The following is a post-docking element set:
>
>STS-74
>1 23714U 95061A   95319.29367464  .00000614  00000-0  80065-5 0   149
>2 23714  51.6472 120.8578 0003590 334.9405 272.9623 15.58035120   449

One would hope that the inclination, RAAN, Arg Perigee, Mean Motion, and
eccentricity for Mir and the shuttle would be a *tad* closer to each other
while they're docked.  ;-)

Just teasing.  From what I understand the way NORAD tracks and generates
its elements keps calculated for different epochs differ slightly due to
various round-off errors, and differences in how the calculations are
derived based on previous known keps.



Philip Chien, Earth News - space writer and consultant  PCHIEN@IDS.NET
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