Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 10/12/2018   13:34:33   (   0.04,-135.66) (   0.78,-138.94)  374.07                80
 10/13/2018   13:22:58   (   0.05,-135.65) (   0.13,-136.11)   52.52                80
 10/14/2018   13:14:03   (   0.06,-135.64) (  -0.46,-133.27)  268.98                80
 10/17/2018   01:32:43   (  -0.02,-135.50) (  -0.68,-138.34)  323.62                80
 10/18/2018   01:23:48   (  -0.02,-135.49) (  -0.01,-135.51)    3.35                80
 10/19/2018   01:12:13   (  -0.03,-135.47) (   0.60,-132.68)  318.64                80
 10/21/2018   13:30:48   (  -0.01,-135.53) (   0.52,-137.72)  250.39                80
 10/22/2018   13:21:53   (  -0.00,-135.52) (  -0.13,-134.90)   70.07                80
 10/23/2018   13:10:19   (   0.01,-135.49) (  -0.79,-132.08)  390.45                80