Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 6.  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)
 07/07/2021   10:46:26   (   0.03,-137.18) (   0.64,-140.02)  322.98                80
 07/08/2021   10:25:02   (   0.02,-137.18) (  -0.38,-135.49)  193.36                80
 07/09/2021   22:49:38   (  -0.02,-137.18) (  -0.82,-140.79)  411.73                80
 07/10/2021   22:28:13   (  -0.01,-137.18) (   0.20,-136.27)  104.22                80
 07/12/2021   10:52:41   (   0.01,-137.18) (   1.01,-141.53)  496.74                80
 07/13/2021   10:31:16   (   0.01,-137.17) (  -0.01,-137.00)   19.10                80
 07/15/2021   22:37:08   (  -0.02,-137.15) (  -0.15,-137.78)   71.26                80
 07/16/2021   22:15:44   (  -0.02,-137.14) (   0.87,-133.25)  444.01                80
 07/18/2021   10:40:11   (   0.01,-137.13) (   0.35,-138.51)  158.49                80
 07/19/2021   10:18:46   (   0.00,-137.11) (  -0.67,-133.98)  356.02                80