What kind of orbit is Hubble in such so that it can stay either in morning or >evening for such a long time? -Ben Elset below: HST 13.3 4.3 0.0 3.0 v 71 1 20580U 90037B 00006.09022458 +.00001731 +00000-0 +16286-3 0 03127 2 20580 028.4678 196.8766 0013979 179.7675 180.2920 14.89271554332068 Inclination is 28.46 degrees. Mean motion 14.89 revs/day. I cannot provide at this moment all the details but the inclination and mean motion largely define how the orbit is perturbed. This orbit is perturbed such that the ascending node regresses westward I believe. This will be visible in the SE then more southern culminations finally in the SW. Hopefully others will propide more details or a web site that discusses these issues. Ron Lee ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/seesat/seesatindex.html
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