Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 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)
 10/11/2018   07:17:02   (   0.33,-135.59) (   1.08,-132.15)  391.01                80
 10/11/2018   19:38:17   (  -0.34,-135.62) (   0.02,-137.31)  191.91                80
 10/13/2018   19:28:44   (  -0.33,-135.60) (  -0.61,-134.34)  142.91                80
 10/14/2018   07:50:08   (   0.33,-135.57) (  -0.49,-139.54)  450.76                80
 10/15/2018   19:16:31   (  -0.33,-135.58) (  -1.23,-131.38)  477.22                80
 10/16/2018   07:37:55   (   0.33,-135.54) (   0.13,-136.57)  116.79                80
 10/18/2018   07:23:01   (   0.32,-135.51) (   0.70,-133.60)  216.71                80
 10/18/2018   19:44:15   (  -0.32,-135.52) (   0.40,-138.75)  368.31                80
 10/20/2018   19:32:03   (  -0.32,-135.49) (  -0.24,-135.79)   35.19                80
 10/22/2018   19:22:30   (  -0.32,-135.45) (  -0.87,-132.83)  297.43                80
 10/23/2018   07:43:53   (   0.32,-135.43) (  -0.21,-138.03)  295.18                80