Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 6 8.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/08/2013   19:12:43   ( -68.28,  70.30) ( -68.27,  70.24)    2.97                51
 06/08/2013   20:03:27   (  68.14,-122.22) (  68.16,-122.25)    2.19                26
 06/08/2013   20:53:53   ( -67.21,  46.24) ( -67.27,  44.37)   80.72                68
 06/11/2013   10:39:13   (  69.27,  17.42) (  69.14,  19.56)   85.69                67
 06/11/2013   11:29:37   ( -68.23,-173.86) ( -68.25,-173.91)    3.07                27
 06/11/2013   12:20:22   (  68.15,  -6.45) (  68.14,  -6.40)    2.55                51
 06/14/2013   02:55:52   (  68.42, 134.35) (  68.38, 134.49)    7.61                71
 06/14/2013   03:46:32   ( -68.24, -58.08) ( -68.22, -58.07)    2.01                 2
 06/14/2013   04:37:15   (  68.05, 109.46) (  68.05, 109.37)    3.62                73
 06/16/2013   19:12:45   (  68.33,-109.74) (  68.32,-109.70)    1.97                48
 06/16/2013   20:03:26   ( -68.19,  57.75) ( -68.17,  57.75)    2.12                22
 06/16/2013   20:53:53   (  67.15,-133.66) (  67.21,-135.70)   88.03                67
 06/19/2013   10:39:12   ( -69.37,-162.68) ( -69.27,-160.28)   95.07                67
 06/19/2013   11:29:37   (  68.24,   6.16) (  68.26,   6.10)    3.16                25
 06/19/2013   12:20:19   ( -68.15, 173.59) ( -68.16, 173.62)    2.34                47
 06/22/2013   02:55:51   ( -68.53, -45.75) ( -68.47, -45.41)   15.46                71
 06/22/2013   03:46:32   (  68.25, 121.91) (  68.23, 121.95)    3.08                 1