Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 6 28.  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)
 06/29/2019   22:40:12   (   0.02,-137.20) (  -0.40,-139.12)  218.61                80
 06/30/2019   22:24:07   (   0.02,-137.19) (   0.59,-134.58)  297.76                80
 07/02/2019   10:45:54   (  -0.02,-137.20) (   0.57,-139.85)  301.78                80
 07/03/2019   10:24:28   (  -0.01,-137.19) (  -0.42,-135.31)  213.97                80
 07/04/2019   22:46:24   (   0.01,-137.16) (  -0.78,-140.61)  393.69                80
 07/05/2019   22:30:18   (   0.00,-137.15) (   0.22,-136.08)  121.91                80
 07/07/2019   10:49:25   (  -0.00,-137.15) (   0.95,-141.35)  478.48                80
 07/08/2019   10:30:40   (   0.00,-137.14) (  -0.05,-136.81)   36.84                80
 07/10/2019   22:33:51   (  -0.00,-137.08) (  -0.09,-137.59)   56.99                80
 07/11/2019   22:17:45   (  -0.00,-137.07) (   0.90,-133.05)  457.89                80