https://uos-ac-kr.zoom.us/j/8264902652
Box of size 1kpc, dt=1.5e-9Mpc/(km/s)~1.465kyr, T=100*dt
Initial Separation 90pc, Velocity 161.1km/s, M_BH=1e+9Msol, M_FDM=1e+10Msol