Russell Eberst wrote: > So the inclination is either 78° or 80° depending on which > page of the "Cosmos 1" website you believe. Heavens-Above has an entry for Cosmos 1 under pseudo-catalogue number 67000. Some weeks ago, there was an elset under that number, which had the 80 deg inclination, so I suspect that the 78 deg version is outdated information. Here is my 2-line representation of the elements on the page Kevin linked to: 1 70900U 05172.83718750 .00000000 00000-0 00000-0 0 03 2 70900 80.0300 212.9900 0057876 125.9800 3.2000 14.26416000 09 Note that the orbital injection time given on that page, "21 June 2005 19:46 GMT", is in fact the approximate time of lift-off. The stated mean anomaly is consistent with orbital insertion 1168 s after lift-off, as stated elsewhere on the web site, so I have used that as the above epoch. The above elset is very similar to the 67000 elset that was on Heavens-Above, so I suspect it is reliable for planning observations. I guess that Heavens-Above will display its elset a bit closer to launch. The above orbit would be visible in evening at the latitude of most SeeSat-L subscribers. Bright twilight will be a complication for those north of about 50 deg. Ted Molczan ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
This archive was generated by hypermail 2b29 : Tue Jun 14 2005 - 02:27:56 EDT