Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 6 12.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2012   19:11:38   (  69.05,-110.52) (  68.97,-108.85)   67.26                68
 06/13/2012   20:02:07   ( -68.26,  57.85) ( -68.25,  57.90)    2.85                20
 06/13/2012   20:52:50   (  68.09,-134.63) (  68.08,-134.65)    1.69                55
 06/16/2012   11:28:17   (  68.36,   6.19) (  68.38,   6.29)    4.62                71
 06/16/2012   12:18:58   ( -68.21, 173.69) ( -68.22, 173.73)    1.58                 1
 06/16/2012   13:09:40   (  67.99, -18.72) (  67.99, -18.89)    6.87                72
 06/19/2012   03:45:07   (  68.26, 122.09) (  68.27, 122.03)    2.59                54
 06/19/2012   04:35:49   ( -68.16, -70.46) ( -68.17, -70.46)    0.56                18
 06/19/2012   05:26:19   (  67.30,  97.90) (  67.38,  96.29)   69.70                69
 06/21/2012   20:01:59   (  68.28,-122.14) (  68.26,-122.11)    2.32                33
 06/21/2012   20:52:40   ( -68.12,  45.37) ( -68.10,  45.34)    2.33                37
 06/24/2012   11:28:17   ( -68.98,-174.60) ( -68.85,-173.16)   59.41                69
 06/24/2012   12:18:49   (  68.24,  -6.31) (  68.23,  -6.27)    1.89                13
 06/24/2012   13:09:30   ( -68.08, 161.21) ( -68.08, 161.18)    1.15                57