Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/16/2018   19:20:22   (  -0.14,-134.65) (  -0.52,-132.84)  206.21                80
 06/17/2018   07:44:26   (   0.12,-134.67) (  -0.61,-138.02)  381.52                80
 06/19/2018   07:32:16   (   0.13,-134.76) (   0.06,-135.08)   35.89                80
 06/21/2018   07:17:26   (   0.14,-134.85) (   0.72,-132.13)  309.54                80
 06/21/2018   19:41:21   (  -0.11,-134.88) (   0.41,-137.28)  273.45                80
 06/23/2018   19:26:31   (  -0.12,-134.97) (  -0.25,-134.34)   71.50                80
 06/25/2018   19:14:21   (  -0.13,-135.05) (  -0.92,-131.39)  415.93                80
 06/26/2018   07:38:25   (   0.10,-135.06) (  -0.21,-136.58)  172.26                80
 06/28/2018   07:23:35   (   0.11,-135.14) (   0.45,-133.63)  171.37                80
 06/28/2018   19:47:30   (  -0.09,-135.16) (   0.69,-138.78)  411.92                80