Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 2 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/08/2018   19:21:42   (   0.03,-135.34) (  -0.60,-132.54)  318.33                80
 02/09/2018   07:43:06   (  -0.03,-135.35) (  -0.52,-137.73)  270.20                80
 02/11/2018   07:28:15   (  -0.01,-135.38) (   0.12,-134.78)   68.94                80
 02/13/2018   07:16:04   (  -0.00,-135.41) (   0.76,-131.83)  407.51                80
 02/13/2018   19:37:20   (   0.00,-135.41) (   0.31,-136.99)  179.31                80
 02/15/2018   19:27:48   (   0.00,-135.43) (  -0.27,-134.02)  158.99                80
 02/16/2018   07:49:13   (  -0.00,-135.44) (  -0.79,-139.22)  429.73                80
 02/17/2018   19:15:37   (   0.00,-135.44) (  -0.91,-131.07)  496.76                80
 02/18/2018   07:37:01   (  -0.00,-135.46) (  -0.20,-136.26)   92.13                80
 02/20/2018   07:22:10   (  -0.00,-135.46) (   0.45,-133.31)  244.96                80
 02/20/2018   19:43:26   (   0.00,-135.45) (   0.63,-138.47)  342.67                80