Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2011 12 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)
 12/18/2011   07:22:00   (   0.08,-137.41) (   0.89,-133.57)  437.05                80
 12/18/2011   19:45:58   (  -0.07,-138.01) (   0.08,-138.75)   83.96                80
 12/20/2011   19:31:13   (  -0.07,-139.41) (  -0.86,-135.87)  404.26                80
 12/21/2011   07:55:16   (   0.06,-139.55) (  -0.26,-141.05)  171.42                80
 12/23/2011   07:40:31   (   0.07,-140.94) (   0.69,-138.17)  315.84                80
 12/23/2011   20:04:28   (  -0.05,-141.53) (   0.33,-143.34)  205.77                80
 12/25/2011   19:49:42   (  -0.06,-142.92) (  -0.58,-140.45)  281.22                80
 12/26/2011   08:13:46   (   0.05,-143.05) (  -0.53,-145.64)  294.52                80
 12/28/2011   07:59:00   (   0.05,-144.44) (   0.39,-142.74)  192.14                80
 12/28/2011   20:22:58   (  -0.04,-145.02) (   0.56,-147.93)  329.96                80
 12/30/2011   20:08:11   (  -0.04,-146.41) (  -0.32,-145.03)  156.63                80
 12/31/2011   08:32:15   (   0.03,-146.54) (  -0.78,-150.22)  418.80                80