Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 9 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2017   19:22:08   (  -0.28,-135.32) (  -0.85,-132.74)  293.96                80
 09/18/2017   07:43:32   (   0.29,-135.29) (  -0.26,-137.93)  300.72                80
 09/20/2017   07:28:40   (   0.29,-135.32) (   0.33,-134.97)   39.40                80
 09/22/2017   07:16:29   (   0.28,-135.36) (   0.98,-132.02)  378.97                80
 09/22/2017   19:37:45   (  -0.30,-135.41) (   0.10,-137.18)  202.37                80
 09/24/2017   19:28:14   (  -0.29,-135.44) (  -0.54,-134.23)  136.80                80
 09/25/2017   07:49:38   (   0.30,-135.41) (  -0.56,-139.42)  456.56                80
 09/26/2017   19:16:03   (  -0.29,-135.46) (  -1.18,-131.28)  475.37                80
 09/27/2017   07:37:27   (   0.30,-135.43) (   0.08,-136.47)  118.36                80
 09/29/2017   07:22:36   (   0.29,-135.44) (   0.71,-133.52)  219.14                80
 09/29/2017   19:43:51   (  -0.30,-135.47) (   0.38,-138.68)  364.38                80