Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 9 2.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/04/2012   11:28:16   (  69.13,   5.12) (  69.00,   6.99)   75.98                68
 09/04/2012   12:18:42   ( -68.21, 173.67) ( -68.23, 173.68)    1.88                24
 09/04/2012   13:09:26   (  68.07, -18.84) (  68.05, -18.88)    2.24                52
 09/07/2012   03:44:54   (  68.28, 122.04) (  68.28, 121.98)    2.34                72
 09/07/2012   04:35:35   ( -68.15, -70.49) ( -68.18, -70.50)    2.87                 1
 09/07/2012   05:26:17   (  67.91,  97.13) (  67.94,  96.87)   11.79                72
 09/09/2012   20:01:48   (  68.29,-122.20) (  68.26,-122.15)    3.06                47
 09/09/2012   20:52:28   ( -68.11,  45.35) ( -68.11,  45.30)    2.19                22
 09/09/2012   21:42:55   (  67.05,-146.07) (  67.15,-148.15)   90.56                67
 09/12/2012   11:28:14   ( -69.34,-175.16) ( -69.25,-172.69)   97.62                66
 09/12/2012   12:18:39   (  68.20,  -6.32) (  68.18,  -6.37)    3.15                25
 09/12/2012   13:09:20   ( -68.07, 161.17) ( -68.09, 161.15)    2.19                46
 09/15/2012   03:44:52   ( -68.51, -58.26) ( -68.43, -57.84)   19.40                71
 09/15/2012   04:35:32   (  68.17, 109.49) (  68.19, 109.52)    2.29                 0
 09/15/2012   05:26:13   ( -68.04, -83.02) ( -68.04, -83.02)    0.30                70