Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 5 28.  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)
 05/29/2018   13:00:31   (  -0.08,-135.04) (  -0.02,-135.28)   27.20                80
 05/30/2018   12:51:39   (  -0.08,-135.01) (  -0.69,-132.47)  290.38                80
 06/02/2018   01:10:25   (   0.11,-134.92) (  -0.49,-137.55)  300.46                80
 06/03/2018   01:01:31   (   0.10,-134.88) (   0.14,-134.73)   16.93                80
 06/04/2018   00:49:58   (   0.10,-134.84) (   0.77,-131.91)  334.30                80
 06/06/2018   13:08:33   (  -0.12,-134.73) (   0.40,-136.95)  254.15                80
 06/07/2018   12:59:41   (  -0.12,-134.68) (  -0.27,-134.14)   62.60                80
 06/08/2018   12:48:07   (  -0.12,-134.63) (  -0.89,-131.32)  379.06                80
 06/11/2018   01:06:50   (   0.14,-134.51) (  -0.30,-136.39)  214.23                80