Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 8 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/20/2019   19:33:45   (   0.02,-137.17) (  -0.30,-135.59)  179.22                80
 08/21/2019   07:55:08   (  -0.02,-137.16) (  -0.80,-140.78)  412.40                80
 08/23/2019   07:42:56   (  -0.03,-137.13) (  -0.18,-137.82)   78.86                80
 08/25/2019   07:28:04   (  -0.03,-137.10) (   0.44,-134.86)  253.78                80
 08/25/2019   19:49:19   (   0.03,-137.09) (   0.68,-140.01)  332.85                80
 08/27/2019   19:39:47   (   0.04,-137.05) (   0.06,-137.06)    2.59                80
 08/29/2019   19:27:35   (   0.04,-137.00) (  -0.56,-134.10)  329.51                80
 08/30/2019   07:48:59   (  -0.04,-136.98) (  -0.54,-139.29)  262.86                80
 09/01/2019   07:34:07   (  -0.04,-136.92) (   0.09,-136.33)   67.47                80