Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 2 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/13/2018   07:16:04   (  -0.02,-135.40) (   0.77,-131.83)  406.95                80
 02/13/2018   19:37:19   (   0.02,-135.40) (   0.36,-136.98)  179.81                80
 02/15/2018   19:27:48   (   0.01,-135.41) (  -0.29,-134.02)  157.94                80
 02/16/2018   07:49:12   (  -0.01,-135.42) (  -0.83,-139.21)  431.15                80
 02/17/2018   19:15:37   (   0.02,-135.42) (  -0.93,-131.07)  495.29                80
 02/18/2018   07:37:01   (  -0.02,-135.43) (  -0.19,-136.26)   93.93                80
 02/20/2018   07:22:10   (  -0.02,-135.44) (   0.46,-133.31)  242.67                80
 02/20/2018   19:43:24   (   0.02,-135.43) (   0.68,-138.46)  344.79                80
 02/22/2018   19:31:13   (   0.01,-135.42) (   0.03,-135.50)    9.38                80
 02/24/2018   19:21:43   (   0.01,-135.41) (  -0.61,-132.55)  325.02                80
 02/25/2018   07:43:06   (  -0.00,-135.41) (  -0.50,-137.74)  264.80                80