Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 8 25.  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)
 08/25/2021   10:24:58   (   0.05,-137.20) (  -0.34,-135.51)  193.92                80
 08/26/2021   22:46:55   (  -0.04,-137.20) (  -0.84,-140.81)  410.82                80
 08/27/2021   22:30:49   (  -0.04,-137.20) (   0.13,-136.27)  105.59                80
 08/29/2021   10:52:38   (   0.04,-137.20) (   0.99,-141.55)  495.08                80
 08/30/2021   10:31:12   (   0.04,-137.20) (   0.02,-137.01)   20.84                80
 09/01/2021   22:34:24   (  -0.03,-137.17) (  -0.17,-137.79)   70.37                80
 09/02/2021   22:18:19   (  -0.02,-137.16) (   0.87,-133.26)  444.74                80
 09/04/2021   10:37:27   (   0.01,-137.15) (   0.32,-138.53)  157.83                80
 09/05/2021   10:21:22   (   0.00,-137.13) (  -0.71,-134.00)  356.92                80
 09/06/2021   22:40:38   (   0.00,-137.10) (  -0.52,-139.30)  250.81                80
 09/07/2021   22:24:33   (  -0.00,-137.09) (   0.52,-134.77)  263.89                80