Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 8 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)
 08/09/2018   01:27:58   (   0.35,-135.32) (  -0.61,-139.58)  486.40                80
 08/10/2018   01:16:24   (   0.35,-135.29) (  -0.00,-136.75)  167.08                80
 08/11/2018   01:07:30   (   0.36,-135.27) (   0.67,-133.94)  152.17                80
 08/12/2018   00:55:57   (   0.36,-135.25) (   1.34,-131.12)  471.35                80
 08/13/2018   13:28:42   (  -0.35,-135.20) (   0.53,-138.96)  429.17                80
 08/14/2018   13:17:08   (  -0.36,-135.17) (  -0.11,-136.13)  110.13                80
 08/15/2018   13:02:54   (  -0.36,-135.15) (  -0.80,-133.32)  208.90                80
 08/18/2018   01:26:57   (   0.35,-135.07) (  -0.44,-138.38)  378.09                80
 08/19/2018   01:12:43   (   0.36,-135.04) (   0.24,-135.57)   59.48                80
 08/20/2018   01:03:49   (   0.36,-135.01) (   0.86,-132.74)  258.98                80
 08/22/2018   13:24:59   (  -0.35,-134.93) (   0.31,-137.75)  322.93                80