Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 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)
 09/08/2015   07:25:30   (   0.31,-135.17) (   0.67,-133.50)  190.92                80
 09/08/2015   19:44:05   (  -0.32,-135.23) (   0.43,-138.65)  389.74                80
 09/10/2015   19:31:52   (  -0.32,-135.25) (  -0.24,-135.69)   49.99                80
 09/12/2015   19:22:18   (  -0.32,-135.27) (  -0.86,-132.73)  289.49                80
 09/13/2015   07:41:01   (   0.33,-135.23) (  -0.27,-137.91)  305.40                80
 09/15/2015   07:31:28   (   0.33,-135.24) (   0.42,-134.95)   33.61                80
 09/17/2015   07:19:14   (   0.32,-135.25) (   1.05,-131.99)  371.82                80
 09/17/2015   19:37:49   (  -0.34,-135.30) (   0.05,-137.14)  209.62                80
 09/19/2015   19:28:15   (  -0.33,-135.30) (  -0.59,-134.18)  127.85                80
 09/20/2015   07:46:58   (   0.34,-135.25) (  -0.53,-139.36)  467.03                80
 09/21/2015   19:16:00   (  -0.32,-135.29) (  -1.17,-131.20)  464.54                80