Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2021 12 21.  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)
 12/22/2021   22:33:21   (   0.01,-137.20) (  -0.03,-137.51)   34.40                80
 12/23/2021   22:17:14   (   0.01,-137.20) (   0.93,-132.96)  482.54                80
 12/25/2021   10:36:20   (  -0.01,-137.20) (   0.25,-138.22)  117.05                80
 12/26/2021   10:20:15   (  -0.01,-137.20) (  -0.78,-133.69)  399.46                80
 12/27/2021   22:39:30   (   0.01,-137.18) (  -0.38,-138.99)  206.03                80
 12/28/2021   22:23:25   (   0.01,-137.17) (   0.65,-134.46)  310.17                80
 12/30/2021   10:42:30   (  -0.00,-137.16) (   0.58,-139.70)  290.37                80
 12/31/2021   10:26:25   (   0.00,-137.15) (  -0.44,-135.17)  225.16                80
 01/01/2022   22:45:39   (  -0.01,-137.11) (  -0.77,-140.46)  382.16                80
 01/02/2022   22:29:33   (  -0.01,-137.09) (   0.26,-135.93)  132.81                80