Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 19.  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)
 07/20/2018   13:05:01   (  -0.31,-135.51) (  -0.64,-134.05)  165.89                80
 07/21/2018   12:53:28   (  -0.31,-135.51) (  -1.30,-131.24)  488.35                80
 07/23/2018   01:23:40   (   0.32,-135.53) (  -0.53,-139.11)  409.21                80
 07/24/2018   01:12:07   (   0.32,-135.53) (   0.13,-136.29)   87.13                80
 07/25/2018   01:03:13   (   0.32,-135.53) (   0.79,-133.48)  234.80                80
 07/27/2018   13:24:31   (  -0.34,-135.52) (   0.34,-138.53)  342.99                80
 07/28/2018   13:12:56   (  -0.34,-135.52) (  -0.28,-135.70)   21.48                80
 07/29/2018   12:58:43   (  -0.34,-135.52) (  -0.96,-132.89)  300.03                80
 08/01/2018   01:20:03   (   0.35,-135.51) (  -0.22,-137.95)  278.82                80
 08/02/2018   01:11:09   (   0.35,-135.50) (   0.44,-135.13)   42.23                80