Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 30.  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)
 08/30/2021   10:31:12   (   0.05,-137.19) (   0.00,-137.01)   20.07                80
 09/01/2021   22:34:23   (  -0.04,-137.17) (  -0.21,-137.78)   70.39                80
 09/02/2021   22:18:19   (  -0.04,-137.16) (   0.83,-133.25)  444.69                80
 09/04/2021   10:37:26   (   0.03,-137.13) (   0.35,-138.52)  158.89                80
 09/05/2021   10:21:21   (   0.02,-137.11) (  -0.68,-133.99)  355.71                80
 09/06/2021   22:40:38   (  -0.01,-137.09) (  -0.49,-139.30)  251.33                80
 09/07/2021   22:24:32   (  -0.01,-137.08) (   0.48,-134.76)  263.21                80
 09/09/2021   10:43:40   (   0.01,-137.04) (   0.70,-140.03)  340.98                80
 09/10/2021   10:27:35   (   0.02,-137.02) (  -0.34,-135.50)  173.12                80
 09/11/2021   22:46:50   (  -0.01,-136.98) (  -0.89,-140.80)  435.18                80
 09/12/2021   22:30:46   (  -0.01,-136.96) (   0.15,-136.27)   78.30                80