Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 7 24.  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)  134.83                80
 07/26/2018   07:50:34   (  -0.04,-135.48) (  -0.89,-139.52)  458.81                80
 07/27/2018   19:14:19   (  -0.00,-135.51) (  -0.88,-131.38)  469.43                80
 07/28/2018   07:38:22   (  -0.03,-135.47) (  -0.29,-136.56)  124.31                80
 07/30/2018   07:23:31   (  -0.02,-135.45) (   0.38,-133.61)  209.68                80
 07/30/2018   19:47:25   (   0.06,-135.48) (   0.76,-138.76)  372.59                80
 08/01/2018   19:35:14   (   0.05,-135.46) (   0.10,-135.81)   39.19                80
 08/03/2018   19:20:23   (   0.04,-135.43) (  -0.50,-132.85)  293.70                80
 08/04/2018   07:44:25   (  -0.08,-135.39) (  -0.66,-138.03)  300.37                80
 08/06/2018   07:29:34   (  -0.07,-135.35) (   0.00,-135.08)   31.43                80