Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 11 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 11/19/2017   09:28:20   (   0.01, -89.33) (  -0.22, -88.48)   97.98                80
 11/20/2017   09:16:49   (   0.01, -89.33) (  -0.83, -85.67)  418.37                80
 11/21/2017   21:49:51   (  -0.00, -89.34) (  -1.00, -93.58)  484.57                80
 11/22/2017   21:38:21   (  -0.01, -89.35) (  -0.34, -90.79)  164.05                80
 11/23/2017   21:29:32   (  -0.01, -89.36) (   0.32, -87.99)  156.54                80
 11/24/2017   21:18:02   (  -0.00, -89.36) (   0.99, -85.19)  477.20                80
 11/26/2017   09:50:56   (   0.00, -89.38) (   0.85, -93.07)  421.11                80
 11/27/2017   09:39:25   (   0.00, -89.39) (   0.23, -90.26)  100.21                80
 11/28/2017   09:25:16   (   0.00, -89.40) (  -0.45, -87.47)  220.84                80
 11/30/2017   21:46:48   (  -0.00, -89.43) (  -0.76, -92.59)  361.48                80
 12/01/2017   21:35:19   (  -0.00, -89.44) (  -0.09, -89.79)   40.39                80