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   ( -69.19,  69.10) ( -69.11,  71.29)   86.86                67
 03/04/2013   20:02:33   (  68.17,-122.21) (  68.17,-122.23)    0.93                22
 03/04/2013   20:53:15   ( -68.07,  45.22) ( -68.07,  45.28)    2.37                50
 03/07/2013   11:28:48   ( -68.37,-174.02) ( -68.34,-173.82)    9.09                71
 03/07/2013   12:19:30   (  68.14,  -6.42) (  68.17,  -6.37)    3.48                 3
 03/07/2013   13:10:11   ( -67.99, 161.08) ( -68.01, 161.08)    2.10                73
 03/10/2013   03:45:44   ( -68.24, -58.09) ( -68.25, -58.05)    1.98                50
 03/10/2013   04:36:27   (  68.07, 109.43) (  68.08, 109.39)    1.97                25
 03/10/2013   05:26:54   ( -67.16, -82.15) ( -67.20, -83.98)   78.89                68
 03/12/2013   19:12:17   (  69.24,-110.99) (  69.12,-108.74)   89.57                67
 03/12/2013   20:02:41   ( -68.17,  57.76) ( -68.19,  57.73)    2.63                28
 03/12/2013   20:53:25   (  68.06,-134.79) (  68.07,-134.76)    2.12                49
 03/15/2013   11:29:00   (  68.42,   5.88) (  68.36,   6.16)   13.72                72
 03/15/2013   12:19:39   ( -68.16, 173.54) ( -68.16, 173.55)    0.54                 5
 03/15/2013   13:10:22   (  68.00, -18.95) (  67.98, -19.01)    3.09                70