Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 6 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)
 06/05/2018   07:17:21   (   0.16,-134.75) (   0.71,-132.10)  301.01                80
 06/05/2018   19:41:16   (  -0.14,-134.78) (   0.37,-137.26)  282.17                80
 06/07/2018   19:26:25   (  -0.15,-134.69) (  -0.24,-134.31)   43.62                80
 06/09/2018   19:14:14   (  -0.15,-134.59) (  -0.86,-131.35)  368.86                80
 06/10/2018   07:38:18   (   0.14,-134.51) (  -0.27,-136.54)  229.48                80
 06/12/2018   07:23:26   (   0.14,-134.41) (   0.30,-133.57)   94.82                80
 06/12/2018   19:47:22   (  -0.12,-134.43) (   0.77,-138.73)  488.96                80
 06/14/2018   07:11:15   (   0.15,-134.29) (   0.93,-130.62)  418.10                80
 06/14/2018   19:35:10   (  -0.13,-134.31) (   0.20,-135.77)  165.86                80
 06/16/2018   19:20:19   (  -0.14,-134.19) (  -0.44,-132.81)  156.56                80
 06/17/2018   07:44:22   (   0.12,-134.11) (  -0.74,-137.99)  442.23                80
 06/18/2018   19:08:07   (  -0.15,-134.06) (  -1.03,-129.85)  478.69                80