Julian day to modified (1950.0) Julian day
cjd = CL_dat_jd2cjd(jd)
Converts a Julian day (jd: number of days elapsed since 1st January -4712 12h) into a Modified (1950.0) Julian day (cjd: number of days elapsed since 1950.0).
See Dates and Time for more details.
(real) Julian day (1xN)
(real) Modified (1950.0) Julian day (1xN)
1) Mecanique spatiale, CNES - Cepadues 1995, Chapitre 3, section 3.3.3 Les annees
CNES - DCT/SB