Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 9 4.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/07/2012   03:44:55   (  68.29, 122.01) (  68.31, 122.02)    1.46                70
 09/07/2012   04:35:36   ( -68.17, -70.51) ( -68.15, -70.54)    2.82                 0
 09/07/2012   05:26:17   (  67.87,  97.17) (  67.92,  96.84)   15.05                72
 09/09/2012   20:01:49   (  68.27,-122.19) (  68.27,-122.15)    1.51                45
 09/09/2012   20:52:30   ( -68.14,  45.29) ( -68.11,  45.30)    3.18                25
 09/09/2012   21:42:55   (  66.98,-145.99) (  67.04,-148.27)   98.97                66
 09/12/2012   11:28:14   ( -69.23,-175.01) ( -69.10,-172.88)   85.27                67
 09/12/2012   12:18:41   (  68.19,  -6.31) (  68.21,  -6.34)    2.52                21
 09/12/2012   13:09:22   ( -68.06, 161.17) ( -68.05, 161.11)    2.78                49
 09/15/2012   03:44:51   ( -68.28, -57.97) ( -68.30, -58.00)    1.78                72
 09/15/2012   04:35:35   (  68.16, 109.50) (  68.17, 109.50)    1.69                 5
 09/15/2012   05:26:15   ( -67.97, -82.95) ( -67.96, -83.11)    6.92                73
 09/17/2012   20:01:45   ( -68.25,  57.84) ( -68.24,  57.82)    1.45                46
 09/17/2012   20:52:29   (  68.12,-134.69) (  68.11,-134.69)    1.39                31
 09/17/2012   21:42:52   ( -67.01,  33.97) ( -67.07,  31.77)   95.57                67