Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 4 29.  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)
 04/30/2021   10:18:33   (  -0.03,-137.20) (  -0.77,-133.87)  379.36                80
 05/01/2021   22:40:30   (   0.02,-137.20) (  -0.40,-139.18)  225.46                80
 05/02/2021   22:24:26   (   0.02,-137.19) (   0.60,-134.65)  290.36                80
 05/04/2021   10:46:14   (  -0.01,-137.18) (   0.58,-139.92)  311.44                80
 05/05/2021   10:24:50   (  -0.02,-137.18) (  -0.42,-135.39)  204.16                80
 05/06/2021   22:46:46   (   0.01,-137.17) (  -0.80,-140.69)  401.27                80
 05/07/2021   22:30:43   (   0.01,-137.17) (   0.26,-136.17)  114.34                80
 05/09/2021   10:52:30   (  -0.01,-137.16) (   0.97,-141.43)  487.84                80
 05/10/2021   10:31:06   (  -0.01,-137.15) (  -0.09,-136.91)   27.36                80
 05/12/2021   22:34:18   (   0.01,-137.12) (  -0.13,-137.68)   64.66                80