Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 4 29.  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)
 04/30/2018   00:52:24   (  -0.03,-135.49) (   0.38,-133.64)  211.20                80
 05/02/2018   13:10:56   (   0.01,-135.49) (   0.73,-138.68)  363.71                80
 05/03/2018   12:59:24   (   0.02,-135.49) (   0.08,-135.87)   42.35                80
 05/04/2018   12:50:31   (   0.02,-135.49) (  -0.57,-133.05)  279.01                80
 05/07/2018   01:09:22   (   0.00,-135.49) (  -0.62,-138.15)  303.94                80
 05/08/2018   01:00:30   (  -0.00,-135.49) (   0.03,-135.34)   17.00                80
 05/09/2018   00:48:57   (  -0.01,-135.48) (   0.69,-132.53)  337.89                80
 05/11/2018   13:07:29   (  -0.01,-135.46) (   0.48,-137.55)  239.78                80
 05/12/2018   12:58:37   (  -0.01,-135.45) (  -0.17,-134.74)   80.49                80
 05/13/2018   12:47:04   (  -0.00,-135.43) (  -0.82,-131.93)  400.57                80