Re: Line-of-nodes Question

From: Bjorn Gimle (b_gimle@algonet.se)
Date: Tue May 07 2002 - 16:37:34 EDT


> The line-of-nodes is a point on the Earth surface at an inclination of 0d
> where a satellite's orbital path intersects the equator.  For a prograde
> orbit, as the low-altitude satellite approaches the equator, the small
> (but definite) equatorial bulge of the Earth pulls on the satellite,
> causing the satellite's flight path to intersect the equator at a
> slightly earlier time (i.e., further west than without the equatorial
> bulge).

That is the way I like to explain it too.
(Except I would say "is the line between the points where a satellite's
orbital path intersects the equator plane")

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