Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 8 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/21/2016   07:47:04   (   0.25,-134.98) (  -0.66,-139.38)  499.88                80
 08/22/2016   19:16:07   (  -0.22,-135.07) (  -1.04,-131.22)  437.62                80
 08/23/2016   07:34:51   (   0.24,-135.05) (  -0.05,-136.41)  155.37                80
 08/25/2016   07:25:18   (   0.24,-135.11) (   0.57,-133.45)  188.45                80
 08/25/2016   19:43:54   (  -0.26,-135.16) (   0.48,-138.61)  393.10                80
 08/27/2016   19:31:41   (  -0.25,-135.21) (  -0.14,-135.65)   49.92                80
 08/29/2016   19:22:09   (  -0.25,-135.27) (  -0.82,-132.70)  292.88                80
 08/30/2016   07:40:52   (   0.27,-135.25) (  -0.31,-137.88)  299.49                80
 09/01/2016   07:31:20   (   0.27,-135.30) (   0.38,-134.93)   43.02                80
 09/03/2016   07:19:07   (   0.27,-135.35) (   1.01,-131.97)  385.05                80
 09/03/2016   19:37:43   (  -0.29,-135.39) (   0.05,-137.13)  197.67                80