Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 5 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/15/2018   19:20:10   (  -0.14,-135.40) (  -0.67,-132.80)  295.30                80
 05/16/2018   07:44:15   (   0.14,-135.37) (  -0.41,-138.00)  298.83                80
 05/18/2018   07:29:25   (   0.14,-135.33) (   0.22,-135.05)   32.33                80
 05/20/2018   07:19:54   (   0.15,-135.28) (   0.80,-132.09)  362.60                80
 05/20/2018   19:41:10   (  -0.14,-135.30) (   0.28,-137.25)  222.33                80
 05/22/2018   19:26:20   (  -0.15,-135.25) (  -0.36,-134.30)  107.65                80
 05/23/2018   07:50:24   (   0.14,-135.21) (  -0.78,-139.49)  487.06                80
 05/24/2018   19:14:09   (  -0.16,-135.20) (  -0.95,-131.34)  437.53                80
 05/25/2018   07:38:14   (   0.15,-135.15) (  -0.13,-136.54)  157.21                80
 05/27/2018   07:23:23   (   0.15,-135.10) (   0.47,-133.58)  172.34                80
 05/27/2018   19:47:19   (  -0.14,-135.11) (   0.62,-138.74)  412.56                80