Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2018   19:20:21   (  -0.08,-135.22) (  -0.62,-132.68)  288.88                41
 04/14/2018   07:41:07   (   0.08,-135.24) (  -0.47,-137.88)  300.09                80
 04/16/2018   07:31:38   (   0.08,-135.29) (   0.18,-134.94)   40.55                80
 04/18/2018   07:19:29   (   0.09,-135.33) (   0.83,-131.99)  380.20                80
 04/18/2018   19:40:45   (  -0.09,-135.34) (   0.28,-137.15)  205.69                80
 04/20/2018   19:25:56   (  -0.10,-135.37) (  -0.37,-134.20)  132.77                80
 04/21/2018   07:47:20   (   0.10,-135.37) (  -0.76,-139.39)  457.16                80
 04/22/2018   19:13:46   (  -0.10,-135.39) (  -0.97,-131.25)  470.47                80
 04/23/2018   07:35:11   (   0.11,-135.40) (  -0.11,-136.45)  119.49                80
 04/25/2018   07:25:41   (   0.11,-135.41) (   0.50,-133.49)  217.99                80
 04/25/2018   19:46:57   (  -0.11,-135.42) (   0.55,-138.66)  368.10                80