Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 6 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/09/2018   19:14:15   (  -0.15,-134.60) (  -0.87,-131.35)  369.52                80
 06/10/2018   07:38:19   (   0.13,-134.52) (  -0.26,-136.54)  228.89                80
 06/12/2018   07:23:28   (   0.14,-134.42) (   0.32,-133.58)   95.41                80
 06/12/2018   19:47:23   (  -0.12,-134.44) (   0.82,-138.73)  488.23                80
 06/14/2018   07:11:17   (   0.14,-134.30) (   0.91,-130.62)  418.65                80
 06/14/2018   19:35:13   (  -0.13,-134.32) (   0.18,-135.78)  165.22                80
 06/16/2018   19:20:23   (  -0.14,-134.20) (  -0.46,-132.83)  157.03                80
 06/17/2018   07:44:26   (   0.12,-134.12) (  -0.74,-138.00)  442.01                80
 06/18/2018   19:08:12   (  -0.15,-134.08) (  -1.03,-129.87)  478.86                80
 06/19/2018   07:32:16   (   0.13,-134.00) (  -0.10,-135.05)  120.16                80
 06/21/2018   07:17:26   (   0.14,-133.87) (   0.53,-132.10)  201.51                80
 06/21/2018   19:41:21   (  -0.11,-133.89) (   0.63,-137.25)  382.69                80