Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 8 10.  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)
 08/11/2018   01:07:30   (   0.36,-135.27) (   0.67,-133.94)  152.26                80
 08/12/2018   00:55:57   (   0.36,-135.25) (   1.35,-131.12)  471.47                80
 08/13/2018   13:28:42   (  -0.35,-135.20) (   0.52,-138.96)  429.04                80
 08/14/2018   13:17:08   (  -0.36,-135.17) (  -0.11,-136.13)  109.96                80
 08/15/2018   13:02:54   (  -0.36,-135.15) (  -0.81,-133.32)  209.08                80
 08/18/2018   01:26:57   (   0.35,-135.07) (  -0.44,-138.38)  377.84                80
 08/19/2018   01:12:43   (   0.36,-135.04) (   0.24,-135.56)   59.22                80
 08/20/2018   01:03:49   (   0.36,-135.01) (   0.86,-132.74)  259.26                80
 08/22/2018   13:24:59   (  -0.35,-134.93) (   0.31,-137.75)  322.65                80
 08/23/2018   13:13:24   (  -0.36,-134.89) (  -0.33,-134.93)    5.27                80
 08/24/2018   12:59:11   (  -0.37,-134.85) (  -1.02,-132.12)  313.00                80