Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 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)
 10/09/2018   07:29:15   (   0.33,-135.61) (   0.43,-135.11)   57.34                80
 10/11/2018   07:17:02   (   0.33,-135.60) (   1.05,-132.14)  392.95                80
 10/11/2018   19:38:17   (  -0.34,-135.64) (  -0.00,-137.31)  189.64                80
 10/13/2018   19:28:44   (  -0.33,-135.62) (  -0.63,-134.35)  145.52                80
 10/14/2018   07:50:07   (   0.33,-135.59) (  -0.52,-139.53)  448.45                80
 10/15/2018   19:16:31   (  -0.32,-135.60) (  -1.19,-131.38)  480.13                80
 10/16/2018   07:37:54   (   0.33,-135.57) (   0.11,-136.57)  114.11                80
 10/18/2018   07:23:01   (   0.32,-135.54) (   0.74,-133.61)  219.72                80
 10/18/2018   19:44:16   (  -0.32,-135.56) (   0.36,-138.76)  364.78                80
 10/20/2018   19:32:03   (  -0.32,-135.52) (  -0.28,-135.80)   31.36                80