Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 8 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/17/2018   19:35:07   (   0.15,-135.10) (   0.30,-135.75)   75.10                80
 08/19/2018   19:20:15   (   0.14,-135.03) (  -0.30,-132.79)  253.49                80
 08/20/2018   07:44:19   (  -0.18,-134.96) (  -0.80,-137.98)  342.86                80
 08/22/2018   07:32:07   (  -0.18,-134.89) (  -0.19,-135.02)   15.08                80
 08/24/2018   07:17:15   (  -0.17,-134.81) (   0.42,-132.06)  312.32                80
 08/24/2018   19:41:10   (   0.21,-134.83) (   0.72,-137.21)  270.70                80
 08/26/2018   19:26:18   (   0.20,-134.75) (   0.11,-134.25)   56.08                80
 08/28/2018   19:14:06   (   0.19,-134.66) (  -0.50,-131.29)  382.42                80
 08/29/2018   07:38:09   (  -0.23,-134.59) (  -0.66,-136.47)  214.31                80