split the parser file
add comments
remove unnecessary enumeration
switch units of ephemeris service from au to km
generate a solarsystem
do not calculate a force of an entity to itself
calculate the acceleration
refine the formula
do not calculate for the centermass
divide the mass for acceleration
simple example calculation of position and velocity + csv style output
simplify formulas, and prepare to configure delta-t from outside
some more crazy csv output
streamline calculation of the next step, and ensure usage of immutable.ParSeq
fix a mistyped filter
move a solar system to a given point in time
remove naive debugging output
add a quick and dirty csv writer
use csvwriter and calculate for one year