Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 6 9.  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   01:06:50   (   0.14,-134.52) (  -0.32,-136.38)  213.06                80
 06/12/2018   00:57:57   (   0.14,-134.47) (   0.32,-133.56)  103.20                80
 06/13/2018   00:46:24   (   0.14,-134.41) (   1.02,-130.75)  419.16                80
 06/14/2018   13:16:34   (  -0.17,-134.32) (   0.83,-138.61)  490.13                80
 06/15/2018   13:05:01   (  -0.17,-134.26) (   0.21,-135.79)  174.95                80
 06/16/2018   12:56:08   (  -0.17,-134.20) (  -0.47,-132.98)  140.19                80
 06/17/2018   12:44:35   (  -0.16,-134.14) (  -1.10,-130.15)  455.20                80
 06/19/2018   01:14:49   (   0.19,-134.05) (  -0.71,-138.04)  454.73                80
 06/20/2018   01:03:15   (   0.18,-133.99) (  -0.12,-135.21)  139.49                80
 06/21/2018   00:54:21   (   0.18,-133.93) (   0.52,-132.39)  175.70                80
 06/22/2018   00:42:48   (   0.18,-133.87) (   1.16,-129.57)  490.80                80
 06/23/2018   13:13:00   (  -0.20,-133.77) (   0.68,-137.44)  419.73                80