Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 6 30.  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)
 06/30/2019   22:24:07   (   0.02,-137.20) (   0.60,-134.58)  298.13                80
 07/02/2019   10:45:54   (  -0.02,-137.21) (   0.57,-139.85)  301.10                80
 07/03/2019   10:24:28   (  -0.01,-137.20) (  -0.43,-135.31)  214.88                80
 07/04/2019   22:46:24   (   0.01,-137.17) (  -0.77,-140.61)  392.33                80
 07/05/2019   22:30:18   (   0.01,-137.16) (   0.22,-136.08)  123.50                80
 07/07/2019   10:49:26   (  -0.00,-137.17) (   0.94,-141.35)  476.60                80
 07/08/2019   10:33:20   (   0.00,-137.16) (  -0.06,-136.81)   38.93                80
 07/10/2019   22:33:51   (  -0.00,-137.11) (  -0.08,-137.59)   54.19                80
 07/11/2019   22:17:45   (  -0.00,-137.09) (   0.91,-133.05)  460.93                80
 07/13/2019   10:36:53   (  -0.00,-137.09) (   0.25,-138.32)  140.42                80
 07/14/2019   10:20:47   (  -0.00,-137.07) (  -0.74,-133.79)  374.18                80