Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 4 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/09/2018   07:25:24   (   0.07,-135.09) (   0.46,-133.42)  190.93                80
 04/09/2018   19:46:40   (  -0.08,-135.11) (   0.65,-138.58)  394.31                80
 04/11/2018   19:34:31   (  -0.08,-135.17) (   0.00,-135.63)   52.61                80
 04/13/2018   19:22:21   (  -0.08,-135.22) (  -0.60,-132.68)  288.80                80
 04/14/2018   07:41:06   (   0.08,-135.24) (  -0.48,-137.88)  300.22                80
 04/16/2018   07:31:36   (   0.08,-135.28) (   0.13,-134.92)   40.57                80
 04/18/2018   07:19:27   (   0.09,-135.32) (   0.81,-131.98)  380.29                80
 04/18/2018   19:40:43   (  -0.09,-135.33) (   0.28,-137.14)  205.49                80
 04/20/2018   19:28:33   (  -0.10,-135.36) (  -0.35,-134.19)  133.15                80
 04/21/2018   07:47:17   (   0.10,-135.37) (  -0.77,-139.38)  456.73                80
 04/22/2018   19:16:23   (  -0.10,-135.38) (  -0.99,-131.24)  471.13                80