Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 7 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/07/2018   07:17:28   (   0.09,-135.33) (   0.74,-132.14)  361.75                80
 07/07/2018   19:41:23   (  -0.06,-135.37) (   0.34,-137.30)  219.82                80
 07/09/2018   19:26:33   (  -0.07,-135.40) (  -0.31,-134.35)  119.84                80
 07/10/2018   07:50:35   (   0.04,-135.38) (  -0.86,-139.53)  472.03                80
 07/11/2018   19:14:22   (  -0.08,-135.43) (  -0.96,-131.40)  458.58                80
 07/12/2018   07:38:24   (   0.04,-135.41) (  -0.21,-136.58)  133.46                80
 07/14/2018   07:23:33   (   0.06,-135.43) (   0.45,-133.63)  204.35                80
 07/14/2018   19:47:28   (  -0.02,-135.46) (   0.69,-138.78)  377.76                80
 07/16/2018   19:35:17   (  -0.04,-135.47) (   0.03,-135.83)   40.28                80
 07/18/2018   19:20:25   (  -0.05,-135.49) (  -0.57,-132.87)  297.04                80
 07/19/2018   07:44:29   (   0.01,-135.46) (  -0.52,-138.06)  295.24                80