Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/21/2018   19:15:47   (  -0.02,-134.83) (  -0.81,-131.08)  426.64                80
 03/22/2018   07:34:32   (   0.03,-134.80) (  -0.28,-136.27)  167.73                80
 03/24/2018   07:25:03   (   0.03,-134.71) (   0.33,-133.32)  157.55                80
 03/24/2018   19:43:39   (  -0.04,-134.70) (   0.80,-138.48)  430.67                80
 03/26/2018   07:12:54   (   0.03,-134.61) (   0.93,-130.37)  482.13                80
 03/26/2018   19:31:31   (  -0.04,-134.60) (   0.13,-135.54)  106.23                80
 03/28/2018   19:22:02   (  -0.04,-134.50) (  -0.47,-132.59)  218.05                80
 03/29/2018   07:40:46   (   0.04,-134.46) (  -0.68,-137.77)  376.68                80
 03/31/2018   07:28:37   (   0.04,-134.36) (  -0.07,-134.82)   52.63                80
 04/02/2018   07:19:08   (   0.04,-134.26) (   0.53,-131.87)  271.10                80
 04/02/2018   19:37:44   (  -0.05,-134.24) (   0.54,-137.04)  317.62                80