Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 6 28.  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)
 06/29/2021   22:37:07   (  -0.02,-137.18) (  -0.15,-137.76)   66.03                80
 06/30/2021   22:15:43   (  -0.02,-137.18) (   0.87,-133.23)  449.73                80
 07/02/2021   10:40:10   (   0.02,-137.17) (   0.35,-138.49)  151.71                80
 07/03/2021   10:18:46   (   0.02,-137.16) (  -0.67,-133.97)  363.64                80
 07/04/2021   22:40:43   (  -0.02,-137.15) (  -0.47,-139.28)  242.98                80
 07/05/2021   22:24:38   (  -0.01,-137.13) (   0.50,-134.74)  271.98                80
 07/07/2021   10:46:26   (   0.00,-137.12) (   0.66,-140.02)  330.88                80
 07/08/2021   10:25:01   (  -0.01,-137.10) (  -0.36,-135.49)  183.40                80
 07/09/2021   22:46:58   (   0.01,-137.07) (  -0.83,-140.79)  424.88                80
 07/10/2021   22:30:53   (   0.01,-137.05) (   0.19,-136.27)   89.22                80