Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 7 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/09/2018   19:26:32   (  -0.07,-135.41) (  -0.30,-134.35)  120.38                80
 07/10/2018   07:50:35   (   0.04,-135.39) (  -0.87,-139.53)  471.40                80
 07/11/2018   19:14:22   (  -0.08,-135.44) (  -0.94,-131.40)  459.44                80
 07/12/2018   07:38:24   (   0.04,-135.42) (  -0.22,-136.58)  132.52                80
 07/14/2018   07:23:33   (   0.06,-135.44) (   0.43,-133.63)  205.64                80
 07/14/2018   19:47:29   (  -0.02,-135.47) (   0.65,-138.79)  376.37                80
 07/16/2018   19:35:17   (  -0.03,-135.49) (   0.06,-135.82)   38.65                80
 07/18/2018   19:20:26   (  -0.05,-135.51) (  -0.59,-132.87)  299.02                80
 07/19/2018   07:44:30   (   0.01,-135.48) (  -0.51,-138.07)  293.26                80
 07/21/2018   07:29:38   (   0.02,-135.49) (   0.09,-135.10)   43.98                80