Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 16.  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)
 03/17/2018   00:55:01   (  -0.06,-135.00) (  -0.38,-136.31)  149.42                80
 03/18/2018   00:46:09   (  -0.06,-134.97) (   0.28,-133.50)  167.67                80
 03/19/2018   00:34:38   (  -0.06,-134.93) (   0.93,-130.69)  484.58                80
 03/20/2018   13:04:51   (   0.06,-134.87) (   0.94,-138.56)  422.11                80
 03/21/2018   12:53:20   (   0.06,-134.83) (   0.26,-135.76)  105.66                80
 03/22/2018   12:44:27   (   0.06,-134.78) (  -0.36,-132.94)  210.62                80
 03/25/2018   01:03:12   (  -0.07,-134.67) (  -0.83,-138.02)  382.44                80
 03/26/2018   00:51:39   (  -0.07,-134.62) (  -0.23,-135.20)   66.92                80
 03/27/2018   00:42:48   (  -0.07,-134.57) (   0.43,-132.39)  248.62                80
 03/29/2018   13:01:28   (   0.07,-134.44) (   0.76,-137.45)  343.54                80
 03/30/2018   12:49:55   (   0.08,-134.38) (   0.13,-134.63)   28.14                80