Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 8 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/25/2017   19:16:00   (  -0.20,-135.11) (  -1.02,-131.22)  442.52                80
 08/26/2017   07:34:44   (   0.23,-135.03) (  -0.09,-136.41)  157.13                80
 08/28/2017   07:25:13   (   0.22,-135.04) (   0.53,-133.45)  179.27                80
 08/28/2017   19:43:50   (  -0.25,-135.11) (   0.49,-138.63)  399.74                80
 08/30/2017   19:31:39   (  -0.24,-135.11) (  -0.14,-135.67)   64.00                80
 09/01/2017   19:22:07   (  -0.23,-135.10) (  -0.71,-132.71)  271.09                80
 09/02/2017   07:43:32   (   0.26,-135.03) (  -0.33,-137.91)  327.51                80
 09/04/2017   07:28:40   (   0.25,-135.01) (   0.24,-134.95)    7.09                80
 09/06/2017   07:16:29   (   0.25,-134.99) (   0.88,-131.99)  340.36                80
 09/06/2017   19:37:45   (  -0.27,-135.04) (   0.20,-137.15)  240.57                80