Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/26/2018   07:12:54   (   0.04,-134.61) (   0.96,-130.37)  482.91                80
 03/26/2018   19:31:30   (  -0.04,-134.60) (   0.16,-135.53)  105.02                80
 03/28/2018   19:22:01   (  -0.04,-134.51) (  -0.45,-132.58)  219.56                80
 03/29/2018   07:40:46   (   0.05,-134.47) (  -0.63,-137.77)  375.31                80
 03/31/2018   07:28:36   (   0.05,-134.37) (  -0.07,-134.81)   50.91                80
 04/02/2018   07:19:07   (   0.04,-134.27) (   0.55,-131.86)  273.24                80
 04/02/2018   19:37:43   (  -0.05,-134.25) (   0.56,-137.02)  315.14                80
 04/04/2018   19:28:14   (  -0.05,-134.15) (  -0.07,-134.07)    8.23                80
 04/06/2018   19:16:05   (  -0.06,-134.03) (  -0.70,-131.13)  331.00                80
 04/07/2018   07:34:49   (   0.06,-133.99) (  -0.44,-136.31)  264.22                80