Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 9 18.  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)
 09/19/2020   22:39:38   (  -0.04,-137.18) (  -0.49,-139.02)  209.60                80
 09/20/2020   22:23:34   (  -0.05,-137.18) (   0.58,-134.50)  306.56                80
 09/22/2020   10:42:40   (   0.04,-137.17) (   0.61,-139.76)  294.62                80
 09/23/2020   10:26:34   (   0.04,-137.16) (  -0.40,-135.22)  220.92                80
 09/24/2020   22:45:50   (  -0.04,-137.14) (  -0.79,-140.52)  385.73                80
 09/25/2020   22:29:44   (  -0.03,-137.13) (   0.22,-135.99)  129.47                80
 09/27/2020   10:48:51   (   0.02,-137.11) (   0.97,-141.25)  472.74                80
 09/28/2020   10:32:45   (   0.02,-137.09) (  -0.04,-136.72)   42.38                80
 09/30/2020   22:33:15   (  -0.02,-137.05) (  -0.13,-137.48)   49.84                80
 10/01/2020   22:17:09   (  -0.02,-137.04) (   0.88,-132.95)  465.16                80