Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/10/2018   19:31:17   (  -0.00,-135.20) (   0.08,-135.49)   34.12                80
 03/12/2018   19:21:46   (  -0.00,-135.15) (  -0.53,-132.54)  296.03                80
 03/13/2018   07:40:30   (   0.01,-135.12) (  -0.53,-137.74)  297.34                80
 03/15/2018   07:31:00   (   0.01,-135.06) (   0.08,-134.78)   32.19                80
 03/17/2018   07:18:49   (   0.00,-134.99) (   0.70,-131.82)  361.15                80
 03/17/2018   19:37:24   (  -0.01,-134.99) (   0.39,-136.98)  226.15                80
 03/19/2018   19:27:53   (  -0.00,-134.92) (  -0.22,-134.02)  102.13                80
 03/20/2018   07:46:37   (   0.01,-134.89) (  -0.89,-139.21)  491.64                80
 03/21/2018   19:15:43   (  -0.00,-134.84) (  -0.84,-131.07)  429.46                80
 03/22/2018   07:34:26   (   0.01,-134.80) (  -0.27,-136.26)  164.55                80