> 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") ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www.satellite.eu.org/seesat/seesatindex.html
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