Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2018   19:22:44   (  -0.33,-135.67) (  -0.91,-132.88)  316.63                80
 10/07/2018   07:44:08   (   0.34,-135.62) (  -0.19,-138.07)  278.75                80
 10/09/2018   07:29:16   (   0.33,-135.62) (   0.47,-135.12)   57.32                80
 10/11/2018   07:17:03   (   0.33,-135.61) (   1.06,-132.15)  392.85                80
 10/11/2018   19:38:19   (  -0.34,-135.65) (  -0.01,-137.32)  189.51                80
 10/13/2018   19:28:46   (  -0.33,-135.63) (  -0.60,-134.35)  145.55                80
 10/14/2018   07:50:09   (   0.33,-135.60) (  -0.50,-139.54)  448.67                80
 10/15/2018   19:16:34   (  -0.33,-135.61) (  -1.24,-131.40)  480.04                80
 10/16/2018   07:37:57   (   0.33,-135.58) (   0.09,-136.58)  114.52                80
 10/18/2018   07:23:05   (   0.32,-135.55) (   0.74,-133.62)  219.11                80
 10/18/2018   19:44:19   (  -0.32,-135.57) (   0.39,-138.77)  365.23                80