Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 10 1.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/01/2012   04:35:23   (  68.17, 109.52) (  68.17, 109.53)    0.73                 5
 10/01/2012   05:26:02   ( -67.93, -82.86) ( -67.95, -83.10)   10.38                72
 10/03/2012   20:01:32   ( -68.27,  57.86) ( -68.27,  57.89)    1.05                45
 10/03/2012   20:52:15   (  68.09,-134.60) (  68.10,-134.67)    2.89                30
 10/03/2012   21:42:38   ( -66.98,  34.05) ( -67.04,  31.77)   99.03                66
 10/06/2012   11:27:55   (  68.97,   5.39) (  68.84,   6.85)   59.89                69
 10/06/2012   12:18:25   ( -68.24, 173.68) ( -68.23, 173.73)    2.34                18
 10/06/2012   13:09:08   (  68.06, -18.79) (  68.06, -18.83)    1.59                57
 10/09/2012   03:44:36   (  68.29, 122.06) (  68.27, 122.04)    2.63                63
 10/09/2012   04:35:17   ( -68.15, -70.43) ( -68.17, -70.45)    2.15                 8
 10/09/2012   05:25:54   (  67.65,  97.49) (  67.71,  96.67)   35.26                72
 10/11/2012   20:01:28   (  68.26,-122.12) (  68.24,-122.10)    2.51                35
 10/11/2012   20:52:09   ( -68.11,  45.39) ( -68.13,  45.41)    2.86                36
 10/14/2012   11:27:44   ( -68.70,-174.23) ( -68.64,-173.37)   35.83                71
 10/14/2012   12:18:20   (  68.17,  -6.23) (  68.18,  -6.27)    2.38                 8
 10/14/2012   13:09:02   ( -68.07, 161.22) ( -68.08, 161.24)    1.52                64