Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 6 14.  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)
 06/15/2018   13:05:03   (  -0.17,-134.58) (   0.11,-135.81)  139.91                80
 06/16/2018   12:56:10   (  -0.16,-134.63) (  -0.57,-133.00)  186.87                80
 06/19/2018   01:14:52   (   0.19,-134.76) (  -0.55,-138.07)  377.71                80
 06/20/2018   01:03:18   (   0.18,-134.81) (   0.09,-135.25)   50.96                80
 06/21/2018   00:54:25   (   0.18,-134.85) (   0.74,-132.43)  275.73                80
 06/23/2018   13:13:05   (  -0.20,-134.95) (   0.40,-137.50)  291.74                80
 06/24/2018   13:04:12   (  -0.20,-134.99) (  -0.30,-134.69)   34.52                80
 06/25/2018   12:52:39   (  -0.20,-135.03) (  -0.93,-131.87)  360.42                80
 06/28/2018   01:11:19   (   0.22,-135.14) (  -0.19,-136.94)  205.68                80