Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 6 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2018   19:14:19   (  -0.12,-135.03) (  -0.88,-131.37)  415.44                80
 06/26/2018   07:38:23   (   0.10,-135.03) (  -0.24,-136.56)  174.07                80
 06/28/2018   07:23:33   (   0.11,-135.10) (   0.45,-133.62)  168.83                80
 06/28/2018   19:47:28   (  -0.08,-135.13) (   0.69,-138.77)  413.60                80
 06/30/2018   19:35:17   (  -0.09,-135.19) (   0.05,-135.82)   71.36                80
 07/02/2018   19:20:26   (  -0.11,-135.25) (  -0.58,-132.86)  270.42                80
 07/03/2018   07:44:30   (   0.08,-135.25) (  -0.53,-138.05)  319.45                80
 07/05/2018   07:29:39   (   0.09,-135.30) (   0.11,-135.10)   21.89                80
 07/07/2018   07:17:28   (   0.10,-135.34) (   0.76,-132.15)  362.53                80
 07/07/2018   19:41:24   (  -0.07,-135.37) (   0.32,-137.31)  220.46                80