Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 7 3.  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)
 07/03/2021   10:18:46   (   0.03,-137.17) (  -0.69,-133.97)  365.32                80
 07/04/2021   22:43:22   (  -0.03,-137.17) (  -0.50,-139.27)  240.18                80
 07/05/2021   22:21:58   (  -0.02,-137.16) (   0.52,-134.74)  275.00                80
 07/07/2021   10:46:26   (   0.01,-137.14) (   0.64,-140.02)  328.06                80
 07/08/2021   10:25:02   (   0.00,-137.12) (  -0.38,-135.49)  186.53                80
 07/09/2021   22:46:58   (   0.00,-137.10) (  -0.81,-140.80)  420.68                80
 07/10/2021   22:30:54   (   0.01,-137.09) (   0.21,-136.27)   93.58                80
 07/13/2021   10:31:16   (  -0.01,-137.03) (  -0.02,-137.00)    3.32                80
 07/15/2021   22:34:28   (   0.01,-136.98) (  -0.15,-137.78)   90.95                80
 07/16/2021   22:18:23   (   0.01,-136.95) (   0.82,-133.24)  422.75                80