Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 6 11.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/11/2012   03:45:16   ( -68.25, -57.92) ( -68.27, -57.93)    2.23                40
 06/11/2012   04:36:00   (  68.14, 109.54) (  68.11, 109.52)    3.01                36
 06/13/2012   19:11:39   (  69.09,-110.57) (  68.95,-108.87)   69.62                68
 06/13/2012   20:02:07   ( -68.25,  57.86) ( -68.23,  57.88)    1.87                21
 06/13/2012   20:52:50   (  68.08,-134.61) (  68.06,-134.67)    2.96                54
 06/16/2012   11:28:18   (  68.39,   6.14) (  68.35,   6.25)    6.37                72
 06/16/2012   12:18:58   ( -68.19, 173.72) ( -68.20, 173.70)    1.16                 3
 06/16/2012   13:09:41   (  68.02, -18.76) (  68.02, -18.85)    3.81                72
 06/19/2012   03:45:08   (  68.28, 122.07) (  68.26, 122.01)    3.27                56
 06/19/2012   04:35:50   ( -68.18, -70.49) ( -68.16, -70.47)    2.20                16
 06/19/2012   05:26:21   (  67.37,  97.81) (  67.43,  96.33)   63.64                69
 06/21/2012   20:02:00   (  68.28,-122.15) (  68.29,-122.10)    2.40                36
 06/21/2012   20:52:41   ( -68.12,  45.37) ( -68.13,  45.36)    1.54                34
 06/24/2012   11:28:21   ( -69.12,-174.80) ( -69.05,-172.94)   74.65                68
 06/24/2012   12:18:50   (  68.22,  -6.30) (  68.20,  -6.33)    2.31                19
 06/24/2012   13:09:32   ( -68.11, 161.15) ( -68.11, 161.19)    1.64                53