Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 6 27.  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)
 06/27/2019   10:39:42   (   0.00,-137.21) (   0.24,-138.35)  129.29                80
 06/28/2019   10:18:16   (  -0.00,-137.20) (  -0.76,-133.81)  386.85                80
 06/29/2019   22:40:11   (   0.02,-137.18) (  -0.44,-139.11)  220.30                80
 06/30/2019   22:24:07   (   0.02,-137.17) (   0.61,-134.58)  295.50                80
 07/02/2019   10:45:54   (  -0.02,-137.18) (   0.55,-139.86)  304.72                80
 07/03/2019   10:24:29   (  -0.01,-137.16) (  -0.44,-135.32)  210.48                80
 07/04/2019   22:46:24   (   0.01,-137.12) (  -0.75,-140.62)  398.20                80
 07/05/2019   22:30:19   (   0.00,-137.10) (   0.24,-136.08)  116.85                80
 07/07/2019   10:49:26   (   0.00,-137.10) (   0.92,-141.35)  484.12                80
 07/08/2019   10:33:20   (   0.01,-137.08) (  -0.07,-136.82)   30.62                80
 07/10/2019   22:33:50   (  -0.01,-137.01) (  -0.12,-137.58)   64.76                80