Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 5.  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)
 06/05/2021   10:46:22   (   0.01,-137.18) (   0.66,-139.97)  318.37                80
 06/06/2021   10:24:58   (   0.00,-137.18) (  -0.41,-135.46)  197.18                80
 06/07/2021   22:49:35   (  -0.00,-137.17) (  -0.80,-140.76)  408.68                80
 06/08/2021   22:28:10   (   0.00,-137.16) (   0.21,-136.23)  106.43                80
 06/10/2021   10:52:38   (  -0.00,-137.14) (   0.95,-141.50)  496.44                80
 06/11/2021   10:31:14   (  -0.01,-137.13) (  -0.06,-136.97)   18.27                80
 06/13/2021   22:34:26   (   0.01,-137.08) (  -0.13,-137.75)   75.11                80
 06/14/2021   22:18:21   (   0.01,-137.07) (   0.88,-133.22)  439.06                80
 06/16/2021   10:40:09   (  -0.01,-137.03) (   0.34,-138.48)  165.23                80
 06/17/2021   10:18:44   (  -0.01,-137.01) (  -0.68,-133.95)  348.60                80
 06/18/2021   22:40:40   (   0.00,-136.97) (  -0.52,-139.25)  260.04                80