Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 8 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/19/2018   19:20:15   (   0.14,-135.03) (  -0.31,-132.79)  253.41                80
 08/20/2018   07:44:18   (  -0.18,-134.96) (  -0.85,-137.97)  343.08                80
 08/22/2018   07:32:06   (  -0.18,-134.88) (  -0.24,-135.01)   15.63                80
 08/24/2018   07:17:15   (  -0.17,-134.80) (   0.44,-132.07)  311.92                80
 08/24/2018   19:41:10   (   0.21,-134.83) (   0.70,-137.22)  271.02                80
 08/26/2018   19:26:18   (   0.20,-134.74) (   0.08,-134.26)   55.70                80
 08/28/2018   19:14:06   (   0.19,-134.65) (  -0.54,-131.30)  381.97                80
 08/29/2018   07:38:09   (  -0.23,-134.58) (  -0.62,-136.48)  214.88                80
 08/31/2018   07:23:17   (  -0.22,-134.49) (   0.01,-133.52)  110.61                80
 08/31/2018   19:47:12   (   0.26,-134.50) (   1.13,-138.67)  473.18                80