Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 9 7.  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)
 09/07/2021   22:24:33   (  -0.04,-137.20) (   0.49,-134.76)  277.93                80
 09/09/2021   10:43:40   (   0.04,-137.21) (   0.68,-140.03)  322.20                80
 09/10/2021   10:27:35   (   0.04,-137.20) (  -0.35,-135.50)  194.17                80
 09/11/2021   22:46:52   (  -0.04,-137.20) (  -0.82,-140.81)  411.22                80
 09/12/2021   22:30:46   (  -0.04,-137.19) (   0.15,-136.27)  104.51                80
 09/14/2021   10:49:53   (   0.03,-137.18) (   1.02,-141.54)  497.40                80
 09/15/2021   10:33:49   (   0.03,-137.17) (  -0.01,-137.01)   17.77                80
 09/17/2021   22:34:20   (  -0.01,-137.13) (  -0.18,-137.78)   74.35                80
 09/18/2021   22:18:15   (  -0.01,-137.12) (   0.86,-133.25)  440.69                80
 09/20/2021   10:37:23   (   0.01,-137.10) (   0.31,-138.52)  161.79                80