Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 10.  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   07:17:03   (   0.33,-135.59) (   1.09,-132.16)  391.59                80
 10/11/2018   19:38:18   (  -0.34,-135.63) (   0.01,-137.31)  191.15                80
 10/13/2018   19:28:45   (  -0.33,-135.61) (  -0.60,-134.35)  143.72                80
 10/14/2018   07:50:08   (   0.33,-135.58) (  -0.50,-139.54)  450.12                80
 10/15/2018   19:16:32   (  -0.33,-135.59) (  -1.21,-131.38)  478.07                80
 10/16/2018   07:37:55   (   0.33,-135.55) (   0.11,-136.57)  116.08                80
 10/18/2018   07:23:03   (   0.32,-135.52) (   0.73,-133.61)  217.40                80
 10/18/2018   19:44:17   (  -0.32,-135.54) (   0.38,-138.76)  367.39                80
 10/20/2018   19:32:04   (  -0.32,-135.50) (  -0.24,-135.80)   34.29                80
 10/22/2018   19:22:31   (  -0.32,-135.47) (  -0.85,-132.84)  298.35                80
 10/23/2018   07:43:55   (   0.32,-135.44) (  -0.24,-138.03)  294.46                80