Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 2 26.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/27/2013   11:28:38   (  68.29,   6.11) (  68.30,   6.16)    1.94                70
 02/27/2013   12:19:19   ( -68.13, 173.63) ( -68.13, 173.59)    1.49                 0
 02/27/2013   13:10:00   (  67.86, -18.72) (  67.91, -19.02)   14.02                72
 03/02/2013   03:45:34   (  68.20, 121.99) (  68.20, 121.92)    2.71                45
 03/02/2013   04:36:16   ( -68.10, -70.57) ( -68.10, -70.57)    0.27                27
 03/04/2013   19:12:03   ( -69.07,  69.29) ( -68.94,  71.05)   71.76                68
 03/04/2013   20:02:32   (  68.16,-122.20) (  68.16,-122.26)    2.58                18
 03/04/2013   20:53:14   ( -68.05,  45.25) ( -68.05,  45.25)    0.46                54
 03/07/2013   11:28:47   ( -68.26,-173.88) ( -68.27,-173.89)    1.77                66
 03/07/2013   12:19:31   (  68.15,  -6.44) (  68.16,  -6.39)    2.11                11
 03/07/2013   13:10:07   ( -67.72, 161.42) ( -67.78, 160.80)   26.69                72
 03/10/2013   03:45:46   ( -68.24, -58.10) ( -68.21, -58.09)    3.31                38
 03/10/2013   04:36:29   (  68.08, 109.41) (  68.09, 109.41)    0.99                38