Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 4 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/09/2013   07:34:35   (   0.02,-134.75) (  -0.34,-136.42)  190.01                80
 04/11/2013   07:25:05   (   0.02,-134.66) (   0.30,-133.46)  137.13                80
 04/11/2013   19:43:39   (  -0.02,-134.62) (   0.84,-138.61)  453.76                80
 04/13/2013   07:12:53   (   0.02,-134.57) (   0.89,-130.50)  463.62                80
 04/13/2013   19:31:27   (  -0.02,-134.53) (   0.24,-135.65)  127.43                80
 04/15/2013   19:21:56   (  -0.03,-134.44) (  -0.42,-132.70)  198.43                80
 04/16/2013   07:40:40   (   0.03,-134.43) (  -0.69,-137.89)  392.67                80
 04/18/2013   07:28:28   (   0.04,-134.33) (  -0.07,-134.92)   67.42                80
 04/20/2013   07:18:55   (   0.04,-134.22) (   0.50,-131.95)  257.59                80
 04/20/2013   19:37:31   (  -0.04,-134.17) (   0.56,-137.12)  333.94                80