Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 12 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)
 12/14/2019   10:51:52   (   0.01,-137.22) (   0.92,-141.30)  465.19                80
 12/15/2019   10:30:27   (   0.01,-137.22) (  -0.11,-136.78)   51.26                80
 12/17/2019   22:36:19   (  -0.00,-137.21) (  -0.04,-137.55)   37.71                80
 12/18/2019   22:14:54   (   0.01,-137.21) (   0.93,-133.01)  478.58                80
 12/20/2019   10:39:21   (  -0.00,-137.21) (   0.26,-138.27)  121.54                80
 12/21/2019   10:17:56   (  -0.00,-137.20) (  -0.77,-133.74)  394.32                80
 12/22/2019   22:42:33   (  -0.01,-137.19) (  -0.41,-139.04)  211.57                80
 12/23/2019   22:21:08   (  -0.00,-137.18) (   0.62,-134.52)  304.02                80
 12/25/2019   10:45:34   (   0.01,-137.17) (   0.62,-139.77)  297.04                80
 12/26/2019   10:24:10   (   0.01,-137.15) (  -0.41,-135.24)  218.01                80