Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 11 3.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/04/2012   20:01:42   ( -68.22,  57.86) ( -68.23,  57.92)    2.71                38
 11/04/2012   20:52:25   (  68.05,-134.62) (  68.06,-134.63)    1.53                37
 11/07/2012   11:28:03   (  68.68,   5.71) (  68.57,   6.59)   37.56                71
 11/07/2012   12:18:37   ( -68.15, 173.72) ( -68.12, 173.69)    3.04                13
 11/07/2012   13:09:21   (  68.03, -18.83) (  68.01, -18.80)    3.05                64
 11/10/2012   03:44:51   (  68.24, 122.05) (  68.22, 122.05)    2.13                57
 11/10/2012   04:35:32   ( -68.08, -70.44) ( -68.11, -70.44)    3.26                14
 11/10/2012   05:26:05   (  67.38,  97.74) (  67.44,  96.43)   56.09                70
 11/12/2012   20:01:45   (  68.18,-122.11) (  68.19,-122.09)    1.32                30
 11/12/2012   20:52:26   ( -68.03,  45.40) ( -68.03,  45.36)    2.00                40
 11/15/2012   11:28:01   ( -68.51,-174.07) ( -68.43,-173.55)   22.74                72
 11/15/2012   12:18:40   (  68.13,  -6.28) (  68.15,  -6.25)    1.93                 3
 11/15/2012   13:09:21   ( -67.97, 161.23) ( -67.99, 161.20)    2.18                67