Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/10/2018   19:31:17   (  -0.00,-135.20) (   0.05,-135.50)   33.93                80
 03/12/2018   19:21:46   (  -0.00,-135.15) (  -0.58,-132.54)  296.16                80
 03/13/2018   07:40:30   (   0.01,-135.12) (  -0.54,-137.73)  297.26                80
 03/15/2018   07:30:58   (   0.01,-135.06) (   0.04,-134.77)   32.43                80
 03/17/2018   07:18:47   (   0.00,-134.99) (   0.69,-131.81)  361.50                80
 03/17/2018   19:37:23   (  -0.01,-134.99) (   0.39,-136.98)  225.64                80
 03/19/2018   19:27:51   (  -0.01,-134.91) (  -0.21,-134.01)  102.85                80
 03/20/2018   07:46:35   (   0.01,-134.88) (  -0.89,-139.20)  490.93                80
 03/21/2018   19:15:39   (  -0.00,-134.83) (  -0.81,-131.05)  430.49                80
 03/22/2018   07:34:23   (   0.01,-134.80) (  -0.28,-136.24)  163.51                80