Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 9 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/06/2017   07:16:28   (   0.25,-134.97) (   0.86,-131.98)  338.75                80
 09/06/2017   19:37:45   (  -0.27,-135.03) (   0.16,-137.16)  240.99                80
 09/08/2017   19:28:13   (  -0.27,-135.00) (  -0.42,-134.19)   91.88                80
 09/10/2017   19:16:02   (  -0.26,-134.97) (  -1.07,-131.24)  424.07                80
 09/11/2017   07:37:26   (   0.28,-134.89) (  -0.05,-136.43)  174.94                80
 09/13/2017   07:22:34   (   0.27,-134.84) (   0.54,-133.47)  156.02                80
 09/13/2017   19:43:50   (  -0.29,-134.89) (   0.54,-138.63)  426.16                80
 09/15/2017   07:10:23   (   0.26,-134.79) (   1.18,-130.51)  486.22                80
 09/15/2017   19:31:39   (  -0.28,-134.83) (  -0.11,-135.68)   95.80                80
 09/17/2017   19:22:07   (  -0.28,-134.78) (  -0.69,-132.71)  234.09                80
 09/18/2017   07:43:32   (   0.29,-134.71) (  -0.36,-137.92)  363.37                80