Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 9 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/20/2013   19:31:21   (  -0.39,-135.47) (  -0.36,-135.73)   28.75                80
 09/22/2013   19:21:48   (  -0.39,-135.46) (  -0.95,-132.76)  306.22                80
 09/23/2013   07:43:12   (   0.40,-135.45) (  -0.15,-137.95)  284.48                80
 09/25/2013   07:28:20   (   0.39,-135.43) (   0.51,-135.00)   49.76                80
 09/27/2013   07:16:07   (   0.39,-135.40) (   1.11,-132.03)  383.36                80
 09/27/2013   19:37:21   (  -0.39,-135.39) (  -0.01,-137.19)  204.54                80
 09/29/2013   19:27:48   (  -0.39,-135.36) (  -0.63,-134.22)  128.66                80
 09/30/2013   07:49:12   (   0.39,-135.36) (  -0.47,-139.42)  461.11                80
 10/01/2013   19:15:36   (  -0.38,-135.32) (  -1.24,-131.26)  461.42                80
 10/02/2013   07:36:59   (   0.38,-135.32) (   0.15,-136.45)  128.59                80