Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 6 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/27/2017   19:33:53   (  -0.09,-135.48) (  -0.05,-135.54)    7.83                80
 06/29/2017   19:19:02   (  -0.10,-135.48) (  -0.71,-132.59)  328.95                80
 06/30/2017   07:43:06   (   0.07,-135.43) (  -0.40,-137.78)  265.86                80
 07/02/2017   07:28:14   (   0.08,-135.43) (   0.20,-134.81)   70.03                80
 07/04/2017   07:16:03   (   0.08,-135.42) (   0.87,-131.87)  405.45                80
 07/04/2017   19:39:58   (  -0.06,-135.47) (   0.26,-137.01)  175.56                80
 07/06/2017   19:25:06   (  -0.07,-135.45) (  -0.34,-134.05)  159.00                80
 07/07/2017   07:49:10   (   0.04,-135.40) (  -0.76,-139.24)  436.22                80
 07/08/2017   19:12:55   (  -0.07,-135.43) (  -1.01,-131.10)  492.86                80
 07/09/2017   07:36:58   (   0.05,-135.38) (  -0.15,-136.28)  102.47                80