Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 6 15.  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)
 06/16/2019   10:46:02   (  -0.01,-137.21) (   0.56,-139.87)  303.09                80
 06/17/2019   10:24:36   (  -0.01,-137.20) (  -0.43,-135.33)  212.79                80
 06/18/2019   22:46:32   (   0.01,-137.17) (  -0.77,-140.63)  395.32                80
 06/19/2019   22:30:26   (   0.00,-137.16) (   0.22,-136.10)  120.60                80
 06/21/2019   10:52:14   (  -0.00,-137.17) (   0.95,-141.37)  478.45                80
 06/22/2019   10:30:49   (   0.00,-137.16) (  -0.10,-136.84)   37.11                80
 06/24/2019   22:33:59   (  -0.01,-137.10) (  -0.11,-137.60)   56.93                80
 06/25/2019   22:17:53   (  -0.01,-137.09) (   0.88,-133.07)  458.31                80
 06/27/2019   10:39:41   (   0.00,-137.09) (   0.29,-138.34)  141.79                80
 06/28/2019   10:18:15   (   0.01,-137.08) (  -0.70,-133.80)  372.76                80