Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 12 10.  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)
 12/10/2019   10:24:12   (   0.01,-137.20) (  -0.42,-135.27)  220.44                80
 12/11/2019   22:48:49   (  -0.02,-137.20) (  -0.77,-140.57)  383.90                80
 12/12/2019   22:27:24   (  -0.01,-137.20) (   0.26,-136.04)  132.79                80
 12/14/2019   10:51:51   (   0.01,-137.21) (   0.93,-141.30)  466.49                80
 12/15/2019   10:30:27   (   0.01,-137.21) (  -0.10,-136.77)   49.56                80
 12/17/2019   22:36:19   (  -0.00,-137.18) (  -0.06,-137.55)   40.83                80
 12/18/2019   22:14:53   (   0.00,-137.18) (   0.92,-133.01)  475.01                80
 12/20/2019   10:39:21   (   0.00,-137.18) (   0.28,-138.27)  125.29                80
 12/21/2019   10:17:56   (   0.00,-137.17) (  -0.75,-133.74)  390.16                80
 12/22/2019   22:42:33   (  -0.01,-137.14) (  -0.43,-139.04)  216.75                80
 12/23/2019   22:21:08   (  -0.01,-137.13) (   0.61,-134.51)  298.39                80