Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 3 2.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/04/2013   19:12:06   ( -69.24,  69.04) ( -69.12,  71.29)   89.94                67
 03/04/2013   20:02:32   (  68.16,-122.21) (  68.18,-122.23)    2.39                23
 03/04/2013   20:53:14   ( -68.07,  45.23) ( -68.08,  45.28)    2.29                49
 03/07/2013   11:28:49   ( -68.42,-174.08) ( -68.37,-173.79)   12.92                72
 03/07/2013   12:19:30   (  68.14,  -6.42) (  68.15,  -6.41)    1.62                 0
 03/07/2013   13:10:11   ( -67.99, 161.09) ( -68.00, 161.04)    2.28                70
 03/10/2013   03:45:44   ( -68.23, -58.08) ( -68.24, -58.09)    1.20                55
 03/10/2013   04:36:28   (  68.12, 109.37) (  68.13, 109.42)    2.52                22
 03/10/2013   05:26:57   ( -67.32, -82.33) ( -67.37, -83.82)   63.99                69
 03/12/2013   20:02:42   ( -68.22,  57.70) ( -68.23,  57.74)    2.43                34
 03/12/2013   20:53:25   (  68.05,-134.78) (  68.06,-134.81)    1.62                41
 03/15/2013   11:29:06   (  68.79,   5.39) (  68.71,   6.53)   47.19                70
 03/15/2013   12:19:38   ( -68.15, 173.55) ( -68.17, 173.51)    2.45                16
 03/15/2013   13:10:22   (  68.04, -19.01) (  68.05, -18.98)    1.69                61