Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 12 14.  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)
 12/15/2019   10:30:27   (   0.01,-137.22) (  -0.08,-136.77)   51.26                80
 12/17/2019   22:36:19   (  -0.00,-137.21) (  -0.07,-137.54)   37.28                80
 12/18/2019   22:14:54   (   0.00,-137.21) (   0.96,-133.01)  478.90                80
 12/20/2019   10:39:21   (   0.00,-137.21) (   0.23,-138.28)  121.24                80
 12/21/2019   10:17:57   (  -0.00,-137.21) (  -0.80,-133.75)  394.65                80
 12/22/2019   22:42:32   (  -0.01,-137.19) (  -0.44,-139.04)  211.06                80
 12/23/2019   22:21:08   (  -0.01,-137.18) (   0.59,-134.51)  304.56                80
 12/25/2019   10:45:35   (   0.02,-137.17) (   0.59,-139.77)  296.52                80
 12/26/2019   10:24:11   (   0.01,-137.16) (  -0.44,-135.24)  218.57                80
 12/27/2019   22:48:46   (  -0.02,-137.13) (  -0.80,-140.53)  388.41                80