Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 7 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)
 07/19/2015   19:14:01   (  -0.01,-135.11) (  -0.79,-131.31)  430.90                80
 07/20/2015   07:38:05   (  -0.02,-135.13) (  -0.33,-136.50)  156.62                80
 07/22/2015   07:23:14   (  -0.01,-135.14) (   0.32,-133.55)  180.41                80
 07/22/2015   19:47:09   (   0.03,-135.12) (   0.81,-138.70)  406.74                80
 07/24/2015   19:34:58   (   0.03,-135.12) (   0.15,-135.75)   70.47                80
 07/26/2015   19:20:06   (   0.02,-135.12) (  -0.45,-132.78)  265.03                80
 07/27/2015   07:44:10   (  -0.05,-135.13) (  -0.67,-137.97)  323.45                80
 07/29/2015   07:29:19   (  -0.05,-135.11) (  -0.00,-135.02)   11.50                80
 07/31/2015   07:17:07   (  -0.04,-135.09) (   0.61,-132.06)  345.10                80
 07/31/2015   19:41:02   (   0.07,-135.08) (   0.51,-137.21)  242.46                80