Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 1.  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)
 07/02/2021   10:40:11   (   0.03,-137.18) (   0.29,-138.51)  150.02                80
 07/03/2021   10:18:47   (   0.02,-137.18) (  -0.72,-133.98)  365.64                80
 07/04/2021   22:40:43   (  -0.02,-137.17) (  -0.47,-139.28)  240.37                80
 07/05/2021   22:21:58   (  -0.01,-137.16) (   0.55,-134.75)  274.86                80
 07/07/2021   10:46:26   (   0.00,-137.14) (   0.66,-140.02)  327.74                80
 07/08/2021   10:25:01   (  -0.01,-137.13) (  -0.36,-135.49)  186.85                80
 07/09/2021   22:46:58   (   0.01,-137.10) (  -0.83,-140.79)  420.80                80
 07/10/2021   22:30:53   (   0.01,-137.09) (   0.19,-136.26)   93.59                80
 07/13/2021   10:31:16   (  -0.01,-137.04) (  -0.00,-137.00)    4.51                80