j2000_c

Index Page j2000_c
A B C D E F G H I J K L M N O P Q R S T U V W X
Procedure Abstract Required_Reading Keywords Brief_I/O Detailed_Input | Detailed_Output Parameters Exceptions Files Particulars Examples | Restrictions Literature_References Author_and_Institution Version Index_Entries
#### Procedure
       SpiceDouble j2000_c ( void )
#### Abstract
       Return the Julian Date of 2000 JAN 01 12:00:00 (2000 JAN 1.5).
#### Required_Reading
       None.
#### Keywords
       CONSTANTS
#### Brief_I/O
       The function returns the Julian Date of 2000 JAN 01 12:00:00
       (2000 JAN 1.5).
#### Detailed_Input
       None.
#### Detailed_Output
       The function returns 2451545.0, the Julian Date corresponding
       to 2000 JAN 01 12:00:00 (2000 JAN 1.5).
#### Parameters
       None.
#### Exceptions
       Error free.
#### Files
       None.
#### Particulars
       The function always returns the constant value shown above.
#### Examples
       The following code fragment illustrates the use of j2000_c().

          Convert Julian ephemeris date to TDB seconds past the reference
          epoch (J2000).

          spref = ( jed - j2000_c() ) * spd_c();
#### Restrictions
       None.
#### Literature_References
       None.
#### Author_and_Institution
       E.D. Wright     (JPL)
       W.L. Taber      (JPL)
       I.M. Underwood  (JPL)
#### Version
       -CSPICE Version 1.0.2, 16-JAN-2008   (EDW)

          Corrected typos in header titles:

          Detailed Input to Detailed_Input
          Detailed Output to Detailed_Output

       -CSPICE Version 1.0.1, 10-NOV-2006 (EDW)

          Added Parameters section header.

       -CSPICE Version 1.0.0, 08-FEB-1998 (EDW)
#### Index_Entries
       julian date of 2000 jan 1.5
#### Link to routine j2000_c source file j2000_c.c

    Thu Apr 16 08:58:25 2009