Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/18/2018   07:23:02   (   0.32,-135.51) (   0.74,-133.61)  216.83                80
 10/18/2018   19:44:17   (  -0.32,-135.53) (   0.36,-138.76)  367.81                80
 10/20/2018   19:32:04   (  -0.32,-135.49) (  -0.27,-135.80)   35.40                80
 10/22/2018   19:22:31   (  -0.32,-135.44) (  -0.90,-132.84)  296.57                80
 10/23/2018   07:43:54   (   0.31,-135.42) (  -0.26,-138.02)  296.83                80
 10/25/2018   07:29:01   (   0.31,-135.36) (   0.37,-135.06)   34.02                80
 10/27/2018   07:16:48   (   0.31,-135.30) (   1.01,-132.10)  364.07                80
 10/27/2018   19:38:03   (  -0.31,-135.29) (   0.09,-137.26)  222.69                80
 10/29/2018   19:28:29   (  -0.30,-135.22) (  -0.49,-134.28)  106.40                80
 10/30/2018   07:49:52   (   0.29,-135.20) (  -0.60,-139.48)  485.97                80
 10/31/2018   19:16:16   (  -0.30,-135.15) (  -1.13,-131.33)  434.82                80