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### Highlights from A MATLAB Script for Predicting Transits of Mercury and Venus

• aberatthis function corrects position vector for aberration of light.
• anglesthis function converts a vector to angular quantities
• applan1this function computes the apparent geocentric or topocentric place
• atan3four quadrant inverse tangent
• brentsolve for a single real root of a nonlinear equation
• brootbracket a single root of a nonlinear equation
• deg2dmsconvert decimal degrees to degrees,
• esfunc(x)equinox/solstice objective function
• etilt1this function computes quantities related to the orientation
• findleap(jdate)find number of leap seconds for utc julian date
• funargthis subroutine computes fundamental arguments (mean elements)
• gast2this function computes the greenwich sidereal time
• gdateconvert Julian date to Gregorian (calendar) date
• geocenthis function moves the origin of coordinates from the
• getdateinteractive request and input of calendar date
• getobsinteractive request of observer coordinates
• hrs2hmsconvert decimal hours to hours,
• jd2str(jdate)convert Julian date to string equivalent
• jplephemreads the jpl planetary ephemeris and gives
• julianJulian date
• minimaone-dimensional minimization
• nutate1this function nutates equatorial rectangular coordinates from
• precessthis function precesses equatorial rectangular coordinates from
• readleapread leap seconds data file
• solsyspurpose
• sunfldthis function corrects position vector for the deflection
• tdtimesthis function computes the terrestrial time (tt)
• terrathis functions computes the position and velocity vectors of
• traeventpredict transit events
• tranfunc(x)transit objective function
• tranprt(iflag, jdutc)print transit conditions
• utc2tdbconvert UTC julian date to TDB julian date
• utc2tdtconvert UTC julian date to TDT julian date
• equsol.m
• transit.m
• View all files

# A MATLAB Script for Predicting Transits of Mercury and Venus

### David Eagle (view profile)

07 Dec 2012 (Updated )

Local circumstances of solar transits of the planets Mercury and Venus.

utc2tdb

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