Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 4 19.  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)
 04/21/2019   22:34:23   (   0.00,-137.18) (  -0.10,-137.64)   51.77                80
 04/22/2019   22:18:19   (   0.00,-137.18) (   0.94,-133.11)  464.19                80
 04/24/2019   10:40:06   (  -0.00,-137.19) (   0.24,-138.38)  135.81                80
 04/25/2019   10:18:40   (  -0.01,-137.17) (  -0.74,-133.84)  379.28                80
 04/26/2019   22:40:37   (   0.01,-137.14) (  -0.44,-139.15)  229.27                80
 04/27/2019   22:24:32   (   0.01,-137.13) (   0.59,-134.62)  286.08                80
 04/29/2019   10:46:20   (  -0.01,-137.14) (   0.58,-139.89)  313.85                80
 04/30/2019   10:24:54   (  -0.01,-137.12) (  -0.39,-135.35)  200.83                80
 05/01/2019   22:46:50   (   0.01,-137.07) (  -0.78,-140.66)  409.24                80
 05/02/2019   22:30:45   (   0.02,-137.06) (   0.20,-136.12)  105.55                80