Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 9 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/04/2018   19:22:58   (  -0.26,-135.05) (  -0.74,-132.88)  247.70                80
 09/05/2018   07:41:42   (   0.29,-135.01) (  -0.36,-138.07)  348.34                80
 09/07/2018   07:29:30   (   0.28,-135.08) (   0.26,-135.11)    4.27                80
 09/09/2018   07:19:59   (   0.28,-135.15) (   0.94,-132.17)  340.11                80
 09/09/2018   19:38:34   (  -0.30,-135.23) (   0.12,-137.33)  237.98                80
 09/11/2018   19:29:03   (  -0.30,-135.30) (  -0.50,-134.37)  105.88                80
 09/12/2018   07:50:26   (   0.32,-135.27) (  -0.61,-139.57)  489.16                80
 09/13/2018   19:16:51   (  -0.29,-135.37) (  -1.12,-131.42)  449.45                80
 09/14/2018   07:35:34   (   0.31,-135.33) (   0.01,-136.61)  145.91                80
 09/16/2018   07:26:03   (   0.31,-135.39) (   0.69,-133.66)  196.87                80
 09/16/2018   19:44:39   (  -0.32,-135.45) (   0.37,-138.83)  382.80                80