Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 7 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/25/2018   19:26:30   (   0.00,-135.52) (  -0.22,-134.33)  134.77                80
 07/26/2018   07:50:34   (  -0.04,-135.48) (  -0.88,-139.52)  459.05                80
 07/27/2018   19:14:19   (  -0.00,-135.51) (  -0.87,-131.38)  469.26                80
 07/28/2018   07:38:22   (  -0.03,-135.47) (  -0.30,-136.56)  124.72                80
 07/30/2018   07:23:31   (  -0.02,-135.45) (   0.35,-133.61)  209.13                80
 07/30/2018   19:47:27   (   0.06,-135.48) (   0.73,-138.77)  373.04                80
 08/01/2018   19:35:16   (   0.05,-135.46) (   0.10,-135.81)   39.88                80
 08/03/2018   19:20:25   (   0.04,-135.43) (  -0.53,-132.86)  292.73                80
 08/04/2018   07:44:27   (  -0.08,-135.39) (  -0.64,-138.04)  301.60                80
 08/06/2018   07:29:37   (  -0.07,-135.35) (  -0.02,-135.08)   29.80                80
 08/08/2018   07:17:26   (  -0.07,-135.30) (   0.59,-132.13)  360.27                80