Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 6 25.  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)
 06/25/2019   22:17:54   (   0.00,-137.19) (   0.91,-133.07)  469.26                80
 06/27/2019   10:39:41   (  -0.00,-137.21) (   0.26,-138.34)  129.41                80
 06/28/2019   10:18:16   (  -0.01,-137.20) (  -0.74,-133.80)  386.79                80
 06/29/2019   22:40:12   (   0.01,-137.18) (  -0.40,-139.12)  220.43                80
 06/30/2019   22:24:07   (   0.01,-137.17) (   0.59,-134.58)  295.37                80
 07/02/2019   10:45:54   (  -0.02,-137.17) (   0.57,-139.85)  304.72                80
 07/03/2019   10:24:28   (  -0.01,-137.16) (  -0.42,-135.31)  210.44                80
 07/04/2019   22:46:24   (   0.01,-137.12) (  -0.77,-140.61)  398.49                80
 07/05/2019   22:30:18   (   0.00,-137.10) (   0.23,-136.08)  116.52                80
 07/07/2019   10:49:25   (  -0.00,-137.10) (   0.94,-141.35)  484.34                80
 07/08/2019   10:33:20   (   0.00,-137.08) (  -0.06,-136.81)   30.30                80