Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2020 9 15.  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)
 09/15/2020   22:17:22   (  -0.04,-137.20) (   0.89,-132.99)  479.01                80
 09/17/2020   10:36:28   (   0.04,-137.19) (   0.30,-138.25)  121.35                80
 09/18/2020   10:20:23   (   0.04,-137.19) (  -0.71,-133.72)  395.16                80
 09/19/2020   22:39:39   (  -0.04,-137.19) (  -0.42,-139.03)  209.72                80
 09/20/2020   22:23:34   (  -0.04,-137.18) (   0.59,-134.50)  306.41                80
 09/22/2020   10:42:40   (   0.03,-137.17) (   0.60,-139.76)  295.10                80
 09/23/2020   10:26:35   (   0.03,-137.16) (  -0.41,-135.23)  220.42                80
 09/24/2020   22:45:50   (  -0.03,-137.14) (  -0.78,-140.53)  385.99                80
 09/25/2020   22:29:44   (  -0.02,-137.13) (   0.23,-135.99)  129.19                80
 09/27/2020   10:48:51   (   0.01,-137.11) (   0.96,-141.26)  473.38                80
 09/28/2020   10:32:45   (   0.01,-137.09) (  -0.05,-136.72)   41.72                80