Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 19.  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)
 10/21/2018   13:30:45   (  -0.01,-135.51) (   0.49,-137.71)  250.39                80
 10/22/2018   13:21:49   (  -0.00,-135.49) (  -0.12,-134.87)   69.90                80
 10/23/2018   13:10:15   (   0.01,-135.47) (  -0.79,-132.05)  390.02                80
 10/26/2018   01:28:51   (   0.03,-135.30) (  -0.41,-137.09)  205.11                80
 10/27/2018   01:19:56   (   0.02,-135.27) (   0.27,-134.27)  114.52                80
 10/28/2018   01:08:21   (   0.01,-135.23) (   0.90,-131.43)  433.92                80
 10/29/2018   13:38:31   (  -0.05,-135.28) (   0.90,-139.30)  459.33                80
 10/30/2018   13:26:57   (  -0.04,-135.24) (   0.22,-136.48)  140.64                80
 10/31/2018   13:18:01   (  -0.04,-135.21) (  -0.39,-133.65)  177.85                80
 11/01/2018   13:06:26   (  -0.03,-135.17) (  -1.01,-130.81)  496.28                80