Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 10 11.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/14/2012   11:27:56   ( -68.89,-174.52) ( -68.78,-173.19)   54.71                69
 10/14/2012   12:18:29   (  68.17,  -6.27) (  68.17,  -6.29)    0.81                12
 10/14/2012   13:09:11   ( -68.08, 161.17) ( -68.06, 161.22)    2.92                60
 10/17/2012   03:44:50   ( -68.28, -57.98) ( -68.27, -57.93)    2.40                52
 10/17/2012   04:35:33   (  68.10, 109.55) (  68.10, 109.51)    1.80                23
 10/17/2012   05:26:01   ( -67.24, -82.09) ( -67.33, -83.74)   71.34                69
 10/19/2012   19:11:25   (  68.77,-110.24) (  68.63,-109.24)   43.25                70
 10/19/2012   20:01:58   ( -68.18,  57.85) ( -68.19,  57.86)    0.89                13
 10/19/2012   20:52:42   (  68.05,-134.68) (  68.07,-134.64)    2.78                64
 10/22/2012   11:28:28   (  68.23,   6.16) (  68.25,   6.18)    1.80                40
 10/22/2012   12:19:09   ( -68.07, 173.68) ( -68.09, 173.62)    3.47                30
 10/25/2012   02:55:01   ( -68.28, -45.54) ( -68.30, -45.51)    2.56                68
 10/25/2012   03:45:45   (  68.15, 121.93) (  68.12, 121.92)    3.36                 8
 10/25/2012   04:36:23   ( -67.82, -70.34) ( -67.86, -70.76)   17.84                73