Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NOAA-20
TLE Epoch: 2019 7 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)
 07/15/2019   22:40:03   (   0.03,-137.19) (  -0.40,-139.09)  216.57                80
 07/16/2019   22:23:58   (   0.03,-137.19) (   0.59,-134.55)  300.04                80
 07/18/2019   10:45:45   (  -0.03,-137.21) (   0.56,-139.83)  298.65                80
 07/19/2019   10:24:20   (  -0.03,-137.20) (  -0.44,-135.29)  217.64                80
 07/20/2019   22:46:15   (   0.03,-137.18) (  -0.76,-140.59)  389.45                80
 07/21/2019   22:30:10   (   0.03,-137.18) (   0.30,-136.07)  126.78                80
 07/23/2019   10:49:17   (  -0.04,-137.19) (   0.91,-141.33)  472.44                80
 07/24/2019   10:33:12   (  -0.03,-137.18) (  -0.14,-136.80)   43.36                80
 07/26/2019   22:33:42   (   0.04,-137.13) (  -0.05,-137.57)   49.89                80
 07/27/2019   22:17:37   (   0.04,-137.11) (   0.95,-133.03)  465.16                80
 07/29/2019   10:36:44   (  -0.05,-137.11) (   0.20,-138.30)  135.95                80