Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2019   07:43:12   (   0.01,-137.19) (  -0.13,-137.85)   75.42                80
 06/22/2019   07:28:20   (   0.02,-137.18) (   0.52,-134.90)  259.40                80
 06/22/2019   19:49:34   (  -0.02,-137.18) (   0.59,-140.05)  326.23                80
 06/24/2019   19:40:02   (  -0.03,-137.17) (  -0.05,-137.09)    8.38                80
 06/26/2019   19:27:50   (  -0.04,-137.14) (  -0.70,-134.14)  342.57                80
 06/27/2019   07:49:14   (   0.03,-137.13) (  -0.41,-139.33)  249.05                80
 06/29/2019   07:34:21   (   0.03,-137.10) (   0.17,-136.36)   84.23                80
 07/01/2019   07:22:09   (   0.03,-137.06) (   0.82,-133.40)  416.52                80
 07/01/2019   19:43:24   (  -0.03,-137.06) (   0.29,-138.56)  170.50                80
 07/03/2019   19:33:52   (  -0.03,-137.01) (  -0.36,-135.60)  160.58                80