Repeating ground track orbit design in matlab

The following Matlab project contains the source code and Matlab examples used for repeating ground track orbit design. Scripts include (1) time to repeat ground track (nodal period) using Kozai orbit propagation, (2) time to repeat ground track using numerical integration (3) required mean semimajor axis using Wagner's algorithm and (4) required osculating semimajor axis using numerical integration.

The source code and files included in this project are listed in the project files section, please make sure whether the listed source code meet your needs there.

Project Files: 

File NameSize
atan3.m 534
brent.m 1928
egm96.dat 10285
eqxra.m 1259
erot.m 1132
etilt1.m 2096
funarg.m 1995
gast4.m 1538
getdate.m 754
getoe.m 3689
get_utc_time.m 989
gravity.m 4142
julian.m 1151
kepler1.m 2030
kozai1.m 3406
license.txt 1311
nut2000_lp.m 2590
obliq.m 574
orb2eci.m 1615
readgm.m 679
repeat.pdf 419116
repeat1.m 3739
repeat2.m 6495
repeat3.m 3955
repeat4.m 4535
repeat_eqm.m 1019
rkf78.m 4487
rpt2func.m 493
rpt4fun1.m 2848
sun2.m 4656
times_novas.m 1146

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