Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 5 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 05/17/2019   22:46:45   (  -0.00,-137.17) (  -0.78,-140.66)  396.97                80
 05/18/2019   22:30:40   (  -0.00,-137.17) (   0.21,-136.12)  118.97                80
 05/20/2019   10:52:27   (   0.00,-137.18) (   0.96,-141.39)  479.79                80
 05/21/2019   10:31:03   (   0.00,-137.17) (  -0.08,-136.87)   35.32                80
 05/23/2019   22:34:13   (   0.01,-137.11) (  -0.10,-137.64)   59.52                80
 05/24/2019   22:18:08   (   0.01,-137.10) (   0.89,-133.10)  455.54                80
 05/26/2019   10:39:55   (  -0.01,-137.11) (   0.29,-138.37)  144.06                80
 05/27/2019   10:18:31   (  -0.01,-137.09) (  -0.76,-133.84)  370.44                80
 05/28/2019   22:40:26   (   0.02,-137.03) (  -0.45,-139.14)  240.60                80
 05/29/2019   22:24:21   (   0.02,-137.01) (   0.53,-134.60)  273.94                80