Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 11 13.  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)
 11/13/2021   10:27:07   (   0.01,-137.21) (  -0.41,-135.39)  208.12                80
 11/14/2021   22:46:22   (  -0.01,-137.21) (  -0.77,-140.69)  395.89                80
 11/15/2021   22:30:17   (  -0.01,-137.22) (   0.24,-136.15)  121.42                80
 11/17/2021   10:49:23   (   0.01,-137.23) (   0.97,-141.41)  477.36                80
 11/18/2021   10:33:18   (   0.01,-137.23) (  -0.04,-136.88)   39.66                80
 11/20/2021   22:33:47   (  -0.01,-137.21) (  -0.13,-137.64)   49.22                80
 11/21/2021   22:17:42   (  -0.01,-137.21) (   0.88,-133.10)  467.02                80
 11/23/2021   10:36:49   (   0.01,-137.20) (   0.27,-138.38)  133.49                80
 11/24/2021   10:20:44   (   0.01,-137.19) (  -0.74,-133.84)  382.22                80
 11/25/2021   22:39:59   (  -0.01,-137.17) (  -0.42,-139.14)  224.46                80
 11/26/2021   22:23:54   (  -0.01,-137.15) (   0.59,-134.61)  290.98                80