Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 11 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)
 11/29/2021   10:26:54   (   0.00,-137.20) (  -0.40,-135.32)  212.94                80
 11/30/2021   22:46:10   (   0.00,-137.19) (  -0.77,-140.63)  391.64                80
 12/01/2021   22:30:04   (  -0.00,-137.18) (   0.25,-136.09)  124.55                80
 12/03/2021   10:49:10   (   0.00,-137.17) (   0.95,-141.35)  476.95                80
 12/04/2021   10:33:05   (   0.01,-137.15) (  -0.07,-136.81)   38.52                80
 12/06/2021   22:33:34   (  -0.01,-137.11) (  -0.14,-137.57)   52.98                80
 12/07/2021   22:17:28   (  -0.01,-137.09) (   0.88,-133.03)  462.04                80
 12/09/2021   10:39:16   (   0.01,-137.06) (   0.26,-138.31)  140.84                80
 12/10/2021   10:17:49   (   0.01,-137.04) (  -0.70,-133.76)  374.01                80
 12/11/2021   22:39:44   (  -0.00,-137.01) (  -0.45,-139.06)  233.05                80
 12/12/2021   22:23:39   (  -0.00,-136.99) (   0.57,-134.53)  281.73                80