Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 12 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/07/2017   07:43:08   (   0.11,-135.41) (  -0.37,-137.79)  270.28                80
 12/09/2017   07:28:15   (   0.11,-135.43) (   0.23,-134.82)   68.37                80
 12/11/2017   07:16:03   (   0.11,-135.44) (   0.89,-131.87)  406.90                80
 12/11/2017   19:37:18   (  -0.10,-135.39) (   0.23,-137.02)  184.91                80
 12/13/2017   19:27:45   (  -0.10,-135.40) (  -0.38,-134.05)  153.40                80
 12/14/2017   07:49:09   (   0.08,-135.47) (  -0.70,-139.24)  429.19                80
 12/15/2017   19:15:32   (  -0.10,-135.41) (  -1.01,-131.09)  491.19                80
 12/16/2017   07:36:56   (   0.09,-135.47) (  -0.07,-136.28)   91.67                80
 12/18/2017   07:22:03   (   0.09,-135.47) (   0.57,-133.32)  245.30                80
 12/18/2017   19:43:17   (  -0.08,-135.40) (   0.55,-138.47)  347.92                80
 12/20/2017   19:33:44   (  -0.07,-135.39) (  -0.04,-135.49)   11.51                80