Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 10 23.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/25/2012   03:44:44   (  68.24, 122.08) (  68.27, 122.08)    3.22                66
 10/25/2012   04:35:25   ( -68.09, -70.41) ( -68.11, -70.47)    3.12                 4
 10/25/2012   05:26:04   (  67.71,  97.37) (  67.77,  96.78)   26.12                72
 10/27/2012   20:01:40   (  68.20,-122.10) (  68.18,-122.15)    2.94                41
 10/27/2012   20:52:22   ( -68.10,  45.34) ( -68.08,  45.37)    3.07                31
 10/30/2012   11:28:03   ( -68.91,-174.59) ( -68.84,-173.10)   60.38                69
 10/30/2012   12:18:35   (  68.16,  -6.29) (  68.17,  -6.27)    1.01                14
 10/30/2012   13:09:16   ( -68.01, 161.22) ( -68.01, 161.17)    2.04                56
 11/02/2012   03:44:47   ( -68.24, -57.93) ( -68.25, -57.94)    1.48                64
 11/02/2012   04:35:31   (  68.13, 109.51) (  68.13, 109.57)    2.18                13
 11/02/2012   05:26:06   ( -67.65, -82.57) ( -67.70, -83.31)   31.39                72
 11/04/2012   20:01:43   ( -68.21,  57.87) ( -68.19,  57.87)    2.45                37
 11/04/2012   20:52:26   (  68.05,-134.62) (  68.06,-134.63)    1.58                39