Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/29/2018   07:40:46   (   0.05,-134.66) (  -0.62,-137.78)  355.11                80
 03/31/2018   07:31:18   (   0.05,-134.75) (   0.05,-134.84)   10.64                80
 04/02/2018   07:19:09   (   0.04,-134.83) (   0.67,-131.89)  334.27                80
 04/02/2018   19:37:46   (  -0.05,-134.83) (   0.39,-137.06)  252.62                80
 04/04/2018   19:28:17   (  -0.05,-134.91) (  -0.22,-134.11)   91.11                80
 04/05/2018   07:47:02   (   0.06,-134.95) (  -0.86,-139.31)  495.06                80
 04/06/2018   19:16:09   (  -0.06,-134.99) (  -0.89,-131.17)  434.15                80
 04/07/2018   07:34:53   (   0.06,-135.03) (  -0.25,-136.36)  152.20                80
 04/09/2018   07:25:25   (   0.07,-135.10) (   0.43,-133.42)  190.19                80
 04/09/2018   19:44:02   (  -0.07,-135.09) (   0.64,-138.59)  397.28                80
 04/11/2018   19:31:53   (  -0.08,-135.15) (   0.03,-135.64)   55.49                80