Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 12 16.  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)
 12/17/2017   12:33:58   (  -0.10,-135.43) (  -0.57,-133.40)  231.89                80
 12/20/2017   00:55:34   (   0.10,-135.36) (  -0.64,-138.53)  361.94                80
 12/21/2017   00:44:03   (   0.10,-135.35) (  -0.00,-135.72)   42.94                80
 12/22/2017   00:29:53   (   0.09,-135.34) (   0.64,-132.92)  275.97                80
 12/24/2017   12:51:11   (  -0.10,-135.35) (   0.50,-137.98)  299.88                80
 12/25/2017   12:42:20   (  -0.09,-135.34) (  -0.15,-135.18)   18.80                80
 12/26/2017   12:30:50   (  -0.09,-135.32) (  -0.80,-132.37)  337.23                80
 12/29/2017   00:52:26   (   0.10,-135.23) (  -0.41,-137.50)  259.05                80
 12/30/2017   00:38:14   (   0.09,-135.20) (   0.19,-134.68)   58.66                80