> The earth rotates once every 23 hours 56 minutes 4 seconds RELATIVE > TO THE STARS (24 hours 0 minutes 0 seconds, on average, relative to > the sun). That I know, and agree with. >And incidentally, the "1.00270296" revolutions per > [24-hour] > day in the TLE may well include small factors due to perturbations, > but that is not the major issue here; the true sidereal rotation > period of the earth is 24 hours / 1.0027379.. . The difference between the two figures amounts to 2.59 seconds per day. But what is the point in making a geosat synchronous with the stars? It's not going to stay over an area of Earth (more or less). What is the purpose for a geosat to track the stars? ------------------------------ Jonathan T. Wojack tlj18@juno.com 39.706d N 75.683d W 5 hours behind UT (-5) ***DOZENS OF SCIENTIFIC AMERICAN, ASTRONOMY, SKY AND TELESCOPE, AD ASTRA MAGAZINES ARE FOR SALE*** ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/web/. ----------------------------------------------------------------- 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
This archive was generated by hypermail 2b29 : Wed Apr 03 2002 - 15:54:32 EST