Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 7 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2018   19:20:26   (  -0.04,-135.51) (  -0.61,-132.87)  300.51                80
 07/19/2018   07:44:29   (   0.01,-135.49) (  -0.56,-138.05)  291.61                80
 07/21/2018   07:29:38   (   0.02,-135.50) (   0.11,-135.10)   45.65                80
 07/23/2018   07:17:26   (   0.02,-135.51) (   0.72,-132.14)  382.45                80
 07/23/2018   19:41:21   (   0.01,-135.53) (   0.41,-137.29)  200.00                80
 07/25/2018   19:26:30   (   0.00,-135.53) (  -0.27,-134.34)  136.02                80
 07/26/2018   07:50:33   (  -0.04,-135.51) (  -0.89,-139.52)  456.52                80
 07/27/2018   19:14:18   (  -0.01,-135.53) (  -0.89,-131.38)  471.54                80
 07/28/2018   07:38:21   (  -0.03,-135.50) (  -0.26,-136.56)  121.07                80
 07/30/2018   07:23:29   (  -0.02,-135.49) (   0.37,-133.61)  213.87                80
 07/30/2018   19:47:24   (   0.06,-135.51) (   0.76,-138.76)  368.94                80