Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 9 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2016   07:31:19   (   0.27,-135.29) (   0.36,-134.92)   41.70                80
 09/03/2016   07:19:06   (   0.27,-135.33) (   1.00,-131.96)  383.21                80
 09/03/2016   19:37:41   (  -0.29,-135.37) (   0.11,-137.11)  198.74                80
 09/05/2016   19:28:08   (  -0.28,-135.41) (  -0.54,-134.15)  142.34                80
 09/06/2016   07:46:52   (   0.30,-135.39) (  -0.54,-139.35)  450.41                80
 09/07/2016   19:15:55   (  -0.28,-135.44) (  -1.18,-131.19)  482.85                80
 09/08/2016   07:34:39   (   0.30,-135.42) (   0.11,-136.39)  110.17                80
 09/10/2016   07:25:05   (   0.29,-135.44) (   0.70,-133.42)  229.43                80
 09/10/2016   19:43:40   (  -0.31,-135.47) (   0.35,-138.58)  353.85                80
 09/12/2016   19:31:27   (  -0.30,-135.48) (  -0.25,-135.61)   15.17                80
 09/14/2016   19:21:54   (  -0.30,-135.49) (  -0.91,-132.65)  323.08                80