Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 6 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)
 06/11/2019   10:39:49   (   0.01,-137.21) (   0.25,-138.36)  130.89                80
 06/12/2019   10:18:24   (   0.01,-137.21) (  -0.74,-133.82)  385.24                80
 06/13/2019   22:40:19   (   0.00,-137.17) (  -0.46,-139.12)  222.87                80
 06/14/2019   22:24:14   (   0.00,-137.17) (   0.59,-134.60)  293.06                80
 06/16/2019   10:46:02   (  -0.01,-137.18) (   0.58,-139.87)  305.79                80
 06/17/2019   10:24:36   (  -0.01,-137.17) (  -0.41,-135.33)  209.64                80
 06/18/2019   22:46:32   (   0.01,-137.13) (  -0.79,-140.63)  399.78                80
 06/19/2019   22:30:26   (   0.00,-137.11) (   0.20,-136.09)  115.66                80
 06/21/2019   10:49:33   (  -0.00,-137.13) (   0.97,-141.36)  483.65                80
 06/22/2019   10:33:29   (   0.00,-137.11) (  -0.08,-136.84)   31.46                80