Home > matutils > dateconv > mjd2date_v2.m

mjd2date_v2

PURPOSE ^

date= mjd2date_v2(mjd)

SYNOPSIS ^

function date= mjd2date_v2(mjd)

DESCRIPTION ^

 date= mjd2date_v2(mjd)

 just like mjd2date(mjd) except this returns a structure

 ML

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function date= mjd2date_v2(mjd)
0002 
0003 % date= mjd2date_v2(mjd)
0004 %
0005 % just like mjd2date(mjd) except this returns a structure
0006 %
0007 % ML
0008 
0009 nargsin = nargin;
0010 error(nargchk(1, 1, nargsin));
0011 
0012 % We could have got everything by just using
0013 %
0014 %   jd = mjd2jd(mjd);
0015 %   [year, month, day, hour, minute, second] = jd2date(jd);
0016 %
0017 % but we lose precision in the fraction part when MJD is converted to JD
0018 % because of the large offset (2400000.5) between JD and MJD.
0019 %
0020 % 05-Apr-2011 (MAS):  changed to above method, as a round-off error can
0021 % occur when date and time are calculated separately.  Try, for instance,
0022 % an mjd of 55493.9999999998.
0023 
0024 %jd = mjd2jd(mjd);
0025 %[year, month, day] = jd2date(jd);
0026 %
0027 %fmjd = mjd - floor(mjd);
0028 %[hour, minute, second] = days2hms(fmjd);
0029 
0030 jd = mjd2jd(mjd);
0031 [year, month, day, hour, minute, second] = jd2date(jd);
0032 
0033 
0034 date.year=year;
0035 date.month=month;
0036 date.day=day;
0037 date.hour=hour;
0038 date.minute=minute;
0039 date.second=second;
0040 
0041 
0042

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