Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 11 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)
 11/21/2019   22:23:50   (  -0.00,-137.23) (   0.59,-134.55)  304.76                80
 11/23/2019   10:45:39   (   0.00,-137.24) (   0.56,-139.83)  294.32                80
 11/24/2019   10:24:13   (   0.00,-137.24) (  -0.41,-135.28)  222.85                80
 11/25/2019   22:46:09   (  -0.01,-137.25) (  -0.78,-140.59)  380.88                80
 11/26/2019   22:30:05   (  -0.01,-137.25) (   0.25,-136.06)  135.95                80
 11/28/2019   10:51:52   (   0.02,-137.25) (   0.96,-141.32)  464.11                80
 11/29/2019   10:30:28   (   0.02,-137.25) (  -0.06,-136.79)   52.30                80
 12/01/2019   22:36:20   (  -0.02,-137.24) (  -0.09,-137.56)   36.46                80
 12/02/2019   22:14:55   (  -0.02,-137.24) (   0.93,-133.03)  479.53                80
 12/04/2019   10:39:22   (   0.02,-137.23) (   0.27,-138.30)  121.45                80
 12/05/2019   10:17:58   (   0.02,-137.23) (  -0.76,-133.77)  394.31                80