Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 1 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/28/2018   07:16:02   (  -0.01,-135.06) (   0.71,-131.81)  370.43                80
 01/28/2018   19:37:16   (   0.01,-135.06) (   0.42,-136.96)  216.37                80
 01/30/2018   19:27:45   (   0.02,-135.12) (  -0.23,-134.01)  126.59                80
 01/31/2018   07:49:09   (  -0.02,-135.16) (  -0.88,-139.20)  459.31                80
 02/01/2018   19:15:35   (   0.03,-135.18) (  -0.88,-131.06)  469.32                80
 02/02/2018   07:36:58   (  -0.03,-135.22) (  -0.24,-136.25)  116.84                80
 02/04/2018   07:22:07   (  -0.03,-135.27) (   0.41,-133.29)  225.34                80
 02/04/2018   19:43:22   (   0.03,-135.26) (   0.73,-138.44)  362.35                80
 02/06/2018   19:31:11   (   0.03,-135.31) (   0.09,-135.49)   20.80                80
 02/08/2018   19:21:41   (   0.02,-135.36) (  -0.60,-132.55)  320.52                80
 02/09/2018   07:43:05   (  -0.02,-135.40) (  -0.51,-137.74)  265.61                80