Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2012 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2012   07:30:29   (   0.04,-134.92) (   0.04,-134.84)    8.45                80
 06/20/2012   07:15:39   (   0.05,-134.84) (   0.66,-131.89)  334.82                80
 06/20/2012   19:39:35   (  -0.02,-134.87) (   0.44,-137.05)  248.37                80
 06/22/2012   19:24:45   (  -0.03,-134.78) (  -0.19,-134.10)   77.66                80
 06/24/2012   19:12:34   (  -0.04,-134.69) (  -0.77,-131.14)  403.24                80
 06/25/2012   07:36:38   (   0.01,-134.62) (  -0.36,-136.33)  193.96                80
 06/27/2012   07:21:47   (   0.01,-134.52) (   0.23,-133.37)  130.91                80
 06/27/2012   19:45:43   (   0.02,-134.54) (   0.85,-138.53)  453.08                80
 06/29/2012   07:09:37   (   0.02,-134.42) (   0.89,-130.42)  455.05                80
 06/29/2012   19:33:32   (   0.02,-134.43) (   0.25,-135.57)  129.08                80
 07/01/2012   19:18:41   (   0.01,-134.32) (  -0.36,-132.61)  194.11                80