Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 1 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/05/2018   19:31:13   (  -0.02,-135.01) (   0.07,-135.50)   55.67                80
 01/07/2018   19:21:41   (  -0.02,-134.95) (  -0.51,-132.54)  273.97                80
 01/08/2018   07:43:05   (   0.01,-134.99) (  -0.60,-137.72)  311.95                80
 01/10/2018   07:28:14   (   0.01,-134.92) (   0.05,-134.77)   17.13                80
 01/12/2018   07:16:02   (   0.02,-134.85) (   0.64,-131.81)  345.66                80
 01/12/2018   19:39:58   (  -0.01,-134.78) (   0.44,-136.97)  248.71                80
 01/14/2018   19:27:46   (  -0.01,-134.70) (  -0.16,-134.00)   79.13                80
 01/16/2018   19:15:34   (  -0.01,-134.62) (  -0.75,-131.04)  406.45                80
 01/17/2018   07:36:58   (   0.01,-134.65) (  -0.35,-136.23)  179.80                80