Simultaneous Nadir Overpasses (SNOs) between GOES-17 and TERRA
TLE Epoch: 2019 4 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/28/2019   07:22:26   (   0.01,-137.18) (   0.83,-133.45)  425.10                80
 04/28/2019   19:43:42   (  -0.01,-137.22) (   0.26,-138.61)  157.54                80
 04/30/2019   19:34:10   (  -0.01,-137.21) (  -0.32,-135.64)  178.01                80
 05/01/2019   07:55:34   (   0.01,-137.18) (  -0.79,-140.83)  415.90                80
 05/03/2019   07:43:23   (   0.01,-137.17) (  -0.16,-137.88)   81.18                80
 05/05/2019   07:28:32   (   0.00,-137.15) (   0.48,-134.93)  252.82                80
 05/05/2019   19:49:48   (  -0.00,-137.17) (   0.60,-140.09)  331.25                80
 05/07/2019   19:40:16   (   0.00,-137.14) (   0.02,-137.12)    2.76                80
 05/09/2019   19:28:05   (   0.01,-137.10) (  -0.62,-134.17)  333.80                80
 05/10/2019   07:49:28   (  -0.01,-137.07) (  -0.49,-139.36)  260.26                80