Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 30.  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)
 08/01/2018   01:20:03   (   0.34,-135.45) (  -0.24,-137.94)  284.39                80
 08/02/2018   01:11:09   (   0.34,-135.44) (   0.42,-135.12)   36.21                80
 08/03/2018   00:59:36   (   0.35,-135.42) (   1.08,-132.30)  356.65                80
 08/05/2018   13:20:51   (  -0.35,-135.38) (   0.08,-137.34)  223.05                80
 08/06/2018   13:06:36   (  -0.35,-135.36) (  -0.55,-134.52)   96.56                80
 08/07/2018   12:55:02   (  -0.35,-135.34) (  -1.18,-131.69)  415.92                80
 08/09/2018   01:27:58   (   0.35,-135.29) (  -0.63,-139.58)  489.49                80
 08/10/2018   01:16:24   (   0.36,-135.27) (   0.04,-136.77)  170.61                80
 08/11/2018   01:07:30   (   0.36,-135.24) (   0.65,-133.94)  148.24                80
 08/12/2018   00:55:57   (   0.37,-135.21) (   1.32,-131.12)  466.99                80
 08/13/2018   13:28:43   (  -0.36,-135.17) (   0.49,-138.97)  432.74                80