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date2et - Converts a date to seconds past j2000 epoch
The currently used standard epoch is J2000.0, which is January 1, 2000 at 12:00 TT. The prefix "J" indicates that it is a Julian epoch. The previous standard epoch was B1950.0, with the prefix "B" indicating it was a Besselian epoch.
v.0.1 August 2006
-Author
Robert M. Hovden
et2date - Converts seconds past j2000 epoch to a date
The date string returned is in the form: YYYY MON DD HR:MN:SC.### (UTC) ::UTC
The currently used standard epoch is J2000.0, which is January 1, 2000 at 12:00 TT.
The prefix "J" indicates that it is a Julian epoch. The previous standard epoch was
B1950.0, with the prefix "B" indicating it was a Besselian epoch.
v.0.1 August 2006
-Author
Robert M. Hovden
