Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/11/2013   07:25:04   (   0.02,-134.67) (   0.29,-133.46)  137.55                80
 04/11/2013   19:43:39   (  -0.03,-134.63) (   0.84,-138.61)  453.06                80
 04/13/2013   07:12:52   (   0.03,-134.58) (   0.88,-130.49)  464.17                80
 04/13/2013   19:31:28   (  -0.03,-134.54) (   0.18,-135.66)  126.61                80
 04/15/2013   19:21:56   (  -0.04,-134.44) (  -0.43,-132.70)  199.37                80
 04/16/2013   07:40:40   (   0.04,-134.44) (  -0.68,-137.89)  391.93                80
 04/18/2013   07:28:27   (   0.05,-134.33) (  -0.10,-134.91)   66.52                80
 04/20/2013   07:18:55   (   0.05,-134.23) (   0.54,-131.96)  258.70                80
 04/20/2013   19:37:30   (  -0.05,-134.18) (   0.57,-137.11)  332.47                80
 04/22/2013   19:25:17   (  -0.05,-134.07) (  -0.03,-134.14)    7.82                80