Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 2 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/17/2018   19:15:36   (   0.03,-135.42) (  -0.92,-131.07)  495.57                80
 02/18/2018   07:37:00   (  -0.03,-135.43) (  -0.19,-136.26)   93.54                80
 02/20/2018   07:22:08   (  -0.03,-135.44) (   0.40,-133.29)  243.18                80
 02/20/2018   19:43:24   (   0.03,-135.43) (   0.67,-138.46)  344.34                80
 02/22/2018   19:31:12   (   0.02,-135.42) (   0.07,-135.49)    9.38                80
 02/24/2018   19:21:41   (   0.02,-135.41) (  -0.59,-132.54)  325.83                80
 02/25/2018   07:40:25   (  -0.02,-135.41) (  -0.52,-137.73)  263.90                80
 02/27/2018   07:30:54   (  -0.01,-135.39) (   0.14,-134.78)   69.99                80
 03/01/2018   07:18:42   (  -0.02,-135.37) (   0.75,-131.82)  403.58                80
 03/01/2018   19:37:17   (   0.02,-135.35) (   0.39,-136.97)  184.79                80