Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2013 6 12.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/14/2013   02:55:51   (  68.39, 134.40) (  68.36, 134.46)    4.35                72
 06/14/2013   03:46:31   ( -68.20, -58.04) ( -68.19, -58.10)    2.74                 3
 06/14/2013   04:37:14   (  68.02, 109.50) (  68.03, 109.35)    6.42                72
 06/16/2013   19:12:44   (  68.30,-109.70) (  68.31,-109.72)    1.22                49
 06/16/2013   20:03:26   ( -68.22,  57.72) ( -68.20,  57.79)    3.11                23
 06/16/2013   20:53:53   (  67.17,-133.69) (  67.19,-135.72)   87.62                67
 06/19/2013   10:39:13   ( -69.40,-162.72) ( -69.30,-160.24)   98.15                66
 06/19/2013   11:29:38   (  68.26,   6.12) (  68.24,   6.08)    3.07                25
 06/19/2013   12:20:19   ( -68.12, 173.62) ( -68.14, 173.59)    2.16                46
 06/22/2013   02:55:50   ( -68.51, -45.73) ( -68.45, -45.43)   13.77                72
 06/22/2013   03:46:31   (  68.23, 121.94) (  68.22, 121.93)    1.87                 0
 06/22/2013   04:37:12   ( -68.09, -70.56) ( -68.12, -70.55)    3.56                71
 06/24/2013   19:12:41   ( -68.32,  70.30) ( -68.31,  70.28)    1.92                52
 06/24/2013   20:03:25   (  68.21,-122.24) (  68.18,-122.23)    3.18                25
 06/24/2013   20:53:52   ( -67.30,  46.19) ( -67.36,  44.46)   74.04                69