Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 8 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/17/2018   19:35:07   (   0.15,-135.10) (   0.29,-135.76)   74.94                80
 08/19/2018   19:20:15   (   0.14,-135.03) (  -0.32,-132.80)  253.81                80
 08/20/2018   07:44:18   (  -0.18,-134.97) (  -0.84,-137.97)  342.45                80
 08/22/2018   07:32:06   (  -0.18,-134.89) (  -0.23,-135.01)   14.57                80
 08/24/2018   07:17:14   (  -0.17,-134.82) (   0.39,-132.06)  313.20                80
 08/24/2018   19:41:10   (   0.21,-134.84) (   0.69,-137.22)  269.78                80
 08/26/2018   19:26:18   (   0.20,-134.76) (   0.07,-134.26)   57.31                80
 08/28/2018   19:14:06   (   0.19,-134.67) (  -0.56,-131.30)  383.88                80
 08/29/2018   07:38:09   (  -0.23,-134.60) (  -0.60,-136.48)  212.80                80