Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 8.  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)
 03/09/2018   00:49:29   (  -0.05,-135.24) (   0.09,-134.59)   73.15                80
 03/10/2018   00:37:57   (  -0.05,-135.21) (   0.74,-131.79)  391.32                80
 03/12/2018   12:59:21   (   0.06,-135.15) (   0.45,-136.86)  195.47                80
 03/13/2018   12:45:10   (   0.06,-135.12) (  -0.21,-134.05)  122.35                80
 03/14/2018   12:33:37   (   0.06,-135.09) (  -0.82,-131.23)  439.99                80
 03/16/2018   01:06:33   (  -0.07,-135.04) (  -1.01,-139.12)  466.11                80
 03/17/2018   00:55:01   (  -0.07,-135.01) (  -0.35,-136.31)  148.82                80
 03/18/2018   00:46:09   (  -0.07,-134.97) (   0.25,-133.49)  168.38                80
 03/19/2018   00:34:37   (  -0.07,-134.94) (   0.90,-130.68)  485.33                80
 03/20/2018   13:04:52   (   0.07,-134.88) (   0.91,-138.57)  420.44                80
 03/21/2018   12:55:59   (   0.07,-134.84) (   0.30,-135.75)  103.93                80
 03/22/2018   12:41:48   (   0.07,-134.80) (  -0.38,-132.94)  212.44                80