Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2011 12 17.  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) (   0.88,-133.57)  437.04                80
 12/18/2011   19:45:57   (  -0.07,-138.01) (   0.08,-138.75)   83.95                80
 12/20/2011   19:31:12   (  -0.07,-139.41) (  -0.86,-135.87)  404.31                80
 12/21/2011   07:55:16   (   0.06,-139.55) (  -0.26,-141.05)  171.36                80
 12/23/2011   07:40:30   (   0.07,-140.94) (   0.64,-138.16)  315.97                80
 12/23/2011   20:04:28   (  -0.05,-141.53) (   0.32,-143.34)  205.62                80
 12/25/2011   19:49:42   (  -0.06,-142.92) (  -0.60,-140.45)  281.47                80
 12/26/2011   08:13:46   (   0.05,-143.05) (  -0.51,-145.64)  294.23                80
 12/28/2011   07:59:00   (   0.05,-144.44) (   0.43,-142.75)  192.53                80
 12/28/2011   20:22:57   (  -0.04,-145.02) (   0.58,-147.92)  329.52                80
 12/30/2011   20:08:10   (  -0.04,-146.41) (  -0.32,-145.02)  157.20                80