Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 9 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)
 09/08/2017   19:28:14   (  -0.27,-135.11) (  -0.47,-134.20)  103.34                80
 09/09/2017   07:49:37   (   0.29,-135.07) (  -0.64,-139.39)  491.39                80
 09/10/2017   19:16:03   (  -0.26,-135.17) (  -1.12,-131.25)  446.11                80
 09/11/2017   07:37:26   (   0.28,-135.13) (   0.01,-136.44)  149.06                80
 09/13/2017   07:22:34   (   0.27,-135.17) (   0.62,-133.48)  192.49                80
 09/13/2017   19:43:50   (  -0.29,-135.23) (   0.45,-138.64)  387.95                80
 09/15/2017   19:31:38   (  -0.28,-135.28) (  -0.17,-135.68)   47.04                80
 09/17/2017   19:22:07   (  -0.28,-135.32) (  -0.85,-132.74)  293.65                80
 09/18/2017   07:43:31   (   0.29,-135.29) (  -0.25,-137.93)  300.14                80
 09/20/2017   07:28:39   (   0.29,-135.32) (   0.38,-134.97)   40.11                80
 09/22/2017   07:16:27   (   0.28,-135.35) (   1.01,-132.02)  380.07                80