Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/12/2015   19:22:18   (  -0.32,-135.27) (  -0.86,-132.72)  289.58                80
 09/13/2015   07:41:02   (   0.33,-135.22) (  -0.22,-137.92)  305.98                80
 09/15/2015   07:31:28   (   0.33,-135.23) (   0.42,-134.95)   32.85                80
 09/17/2015   07:19:13   (   0.32,-135.24) (   1.00,-131.97)  370.89                80
 09/17/2015   19:37:48   (  -0.34,-135.29) (   0.03,-137.14)  209.95                80
 09/19/2015   19:28:13   (  -0.33,-135.29) (  -0.56,-134.16)  127.39                80
 09/20/2015   07:46:56   (   0.34,-135.24) (  -0.56,-139.35)  468.17                80
 09/21/2015   19:16:00   (  -0.32,-135.28) (  -1.22,-131.20)  463.99                80
 09/22/2015   07:34:42   (   0.33,-135.22) (   0.10,-136.39)  131.79                80
 09/24/2015   07:25:07   (   0.33,-135.21) (   0.71,-133.41)  203.92                80
 09/24/2015   19:43:42   (  -0.34,-135.25) (   0.37,-138.57)  377.96                80