Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 6 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)
 06/11/2018   01:06:51   (   0.14,-134.51) (  -0.27,-136.39)  213.28                80
 06/12/2018   00:57:57   (   0.14,-134.46) (   0.37,-133.57)  102.89                80
 06/13/2018   00:46:24   (   0.14,-134.41) (   1.01,-130.75)  418.81                80
 06/14/2018   13:16:34   (  -0.17,-134.32) (   0.84,-138.61)  490.44                80
 06/15/2018   13:05:01   (  -0.17,-134.26) (   0.22,-135.79)  175.32                80
 06/16/2018   12:56:08   (  -0.17,-134.20) (  -0.47,-132.98)  139.76                80
 06/17/2018   12:44:35   (  -0.16,-134.14) (  -1.09,-130.15)  454.73                80
 06/19/2018   01:14:49   (   0.19,-134.05) (  -0.71,-138.04)  455.42                80
 06/20/2018   01:03:15   (   0.18,-133.98) (  -0.13,-135.21)  140.23                80
 06/21/2018   00:54:21   (   0.18,-133.92) (   0.52,-132.39)  174.90                80
 06/22/2018   00:42:48   (   0.18,-133.86) (   1.16,-129.57)  489.96                80